Android app not installed error

I have a program working in the Android Emulator. Every now and again I have been creating a signed .apk and exporting it to my HTC Desire to test. It has all been fine. On my latest exported .apk...

I have a program working in the Android Emulator. Every now and again I have been creating a signed .apk and exporting it to my HTC Desire to test. It has all been fine.

On my latest exported .apk I get the error message ‘App not installed’ when I try to install the .apk. It runs fine on the emulators.

As I have mainly been testing on the emulators and only every now and again exporting to a real phone I am not sure when this happened. What is the likely cause of it not installing on a physical phone but running fine in the emulators?

I have tried rebooting the phone & removing the existing .apk, does not fix the fault.

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BartoszKP

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asked Nov 19, 2010 at 14:52

Entropy1024's user avatar

18

Primarily for older phones

I only encountered the App not installed error when trying to install an apk on my phone which runs on 4.4.2 aka KitKat, but my friend did not encounter this error on his phone which runs on 6+. I tried the other solutions such as removing the old/debug version of the app because the apk was a release version, clearing the debug app’s data, and even clearing all of my cached data. Then, finally I realized all I had to do was select both signature versions when building my signed apk.

enter image description here

Before I only had V2 (Full APK Signature) selected, but after selecting V1 Jar Signature as well, I was able to successfully install my signed APK on my 4.4.2 device.

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user

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answered Mar 5, 2017 at 18:28

Chris Gong's user avatar

Chris GongChris Gong

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For me, On Android 9 (API 28), disabling Google Play Protect from play store app worked the trick, and i was able to get rid of the App not Installed error.

To disable Google Play Protect. Open «Play Store» application => tap
on Menu button => select «Play Protect» option => Disable the options
«Scan device for security threats».

answered Sep 2, 2018 at 7:43

Qasim's user avatar

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I had a similar issue and it was because I was trying to install an apk on a phone with a previous version of the same apk, and both apks hadn’t been signed with the same certificate. I mean when I used the same certificate I was able to overwrite the previous installation, but when I changed the certificate between versions, the installation was not possible. Are you using the same certificate?

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answered Nov 19, 2010 at 16:09

Javi's user avatar

JaviJavi

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Clearly there are many causes of this problem. For me the situation was this: I had deployed to my nexus 7 (actual device) from within the Android Studio (v1.3.2). All worked fine. I then created a signed apk and uploaded to my Google Drive. After disconnecting my nexus from the usb, I went to the settings/apps and uninstalled my app (App1). I then opened google drive and clicked on my App1.apk and chose to install it (need to ensure you have allowed installation of apks in settings). Then I got the dreaded message «App not Installed»

Solution for me: go back into settings/apps and scroll though all apps and at the bottom was a pale version of my App1 (note the original App1 was at the top in Alphabetical order which was deleted as above). When clicking on the pale version it said «Not installed for this user». (I had set up my nexus to have more than one user). But in the top right corner there is a three dot button. I pressed this and it said «Uninstall for all users». Which I did and it fixed the problem. I was now able to click on App1.apk and it installed fine without the error.

answered Nov 13, 2015 at 23:55

Astra Bear's user avatar

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I faced the issue when I update my android from 2.3.2 to 3.0.1 . If this is the case the IDE will automatically considers the following points.

1.You cannot install an app with android:testOnly=»true» by conventional means, such as from an Android file manager or from a download off of a Web site

2.Android Studio sets android:testOnly=»true» on APKs that are run from

if you run your app directly connecting the device to your system, apk will install and run no problem.

if you sent this apk by copy from build out put and debug folder it will never install in the device.

Solution :go Build —> Build APK(s) —> copy the apk file share to your team

then your problem will solve.

Kamran Bigdely's user avatar

answered Dec 8, 2017 at 12:03

Surya Reddy's user avatar

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In my case I had the declared my launcher activity as android:exported="false"

<activity android:name=".MainActivity"
            android:exported="false">

I recently targeted android 12 and had to put android:exported attribute in my manifest components, but did not know what to put as the value. changing the value to android:exported="true" worked.

answered Aug 1, 2021 at 5:08

Simran Sharma's user avatar

0

I faced with the same problem. The problem was the main activity in my AndroidManifest.xml file was written twice. I deleted the duplicate.

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answered Jan 3, 2012 at 13:42

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christophechristophe

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For those who are using Android Studio 3.

Suryanarayana Reddy’s Answer is correct thought it doesn’t state steps to solve it, hence.

in your AndroidManifest.xml under the application tag add testOnly="false" and android:debuggable="true" like so:

<application
    android:allowBackup="true"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:roundIcon="@mipmap/ic_launcher_round"
    android:supportsRtl="true"
    android:theme="@style/AppTheme"
    android:testOnly="false"
    android:debuggable="true"
    >

Edit
then in AndroidStudio’s menubar Build > Build APK(s)

answered Jun 9, 2018 at 7:51

Akshay More's user avatar

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This can happen if you have your MainActivity declared twice in your AndroidManifest.xml.

Another possible reason: you changed the launch activity. Hint: never do it with already published applications! Reasons discussed in Android Developers blog.

answered Feb 29, 2012 at 10:53

Sergey Glotov's user avatar

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I had the same problem. I did not realise that an app must be signed even for testing.

After self signing it, it installed fine.

answered May 18, 2012 at 23:38

124697's user avatar

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My problem was: I used the Debug Apk, that was generated while I did the Run command from Android Studio

Solution was: Instead of using this file, clean project and click Build > Build APK(s) from Android Studio. Then you can use the generated APK from the usual folder (app/build/outputs/apk/debug/)

The file that was generated like this installed without a problem.

answered Sep 17, 2018 at 7:26

Adam Kis's user avatar

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I had the same problem and here is how solved it : Go to the Manifest file and make sure you have the «Debuggable» and the «Test Only» attributes set to false. It worked for me :)

answered May 9, 2011 at 17:45

Thinkcomplete's user avatar

5

I had the same issue, i.e. App showed up as being installed, but would not launched when the icon was tapped. After some head-banging, I found that I had stupidly placed ‘ android:exported=»false» ‘ for my main launcher activity within the AndroidManifest file…. Once I removed it, the App launched fine..

answered Feb 12, 2012 at 18:31

mastDrinkNimbuPani's user avatar

1

I know this is an old post, but for new users may be useful. I had the same problem: my application worked fine while debbuging. When I signed the APK I got the same message: «Application not installed».

I fixed that uninstalled my JDK (I was using jdk-6u14-windows-x64) and installed a new one (jdk-6u29-windows-x64). After export and sign the APK again, everything was ok!

Resuming, my problem was in JAVA version. Thank’s Oracle!!

Sergey Glotov's user avatar

answered Jan 16, 2012 at 16:09

Joubert Vasconcelos's user avatar

2

My problem was that I have multiple user accounts on the device. I deleted the app on 1 account, but it still was installed on the other account. Thus the namespace collided and did not install. Uninstalling the app from all user fixed it for me.

answered Dec 21, 2015 at 14:55

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I faced a similar issue today and at first i thought it was my sd card which corrupted it. I tried it on many devices running android 4.4 and up but it kept bringing the same issue.After some googling and research i realized that i didn’t select the v1 jar signature which is for devices older than android 7.0 nougat so i applied both of these signatures by selecting the two check boxes and generated a signed apk and it worked.

enter image description here

Link to solution Android – App not installed error when installing a signed APK – How to Fix

answered May 8, 2020 at 17:06

Nelson Katale's user avatar

1

Sideloading debug apps for testing on a physical phone worked reliably until I upgraded the phone from Android Pie to Android 10. After that, the «App not installed» error came up every time I tried to sideload the app.

Based on a warning in my AndroidManifest.xml, I changed from…

<application
    android:name=".App"
    android:allowBackup="true" ... />

to…

<application
    android:name=".App"
    android:allowBackup="false" ... />

After that, I was able to sideload my app — once. Then, I encountered the same «App not installed» error again. By changing allowBackup back to true, it worked again (at least once).

It is obvious from the number of answers and the variation in the answers that there are many reasons for this problem. I’m sharing this in case it helps others.

answered Sep 10, 2019 at 11:21

Mike F's user avatar

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If you have a previous version for that application try to erase it first, now my problem was solved by that method.

answered Jun 1, 2011 at 18:05

Jose Luis De la Cruz's user avatar

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If application’s not installing, delete the file .android_secure/smdl2tmpl.asec from the SD card.

If the folder .android_secure is empty in the file manager, delete it from the PC.

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answered Aug 28, 2012 at 12:26

Nnamdi's user avatar

NnamdiNnamdi

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ARGHHHHH! I was trying to install as Unsigned Release APK when the proper setting was DEBUG SDK.

There goes an hour.

answered Feb 13, 2020 at 3:38

Andy's user avatar

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In the end I found out that no apps were being installed successfully, not just mine. I set the Install App default from SD card to Automatic. That fixed it.

answered Nov 20, 2010 at 20:21

Entropy1024's user avatar

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create keystore file through command line

keytool -genkey -alias key_file_name.keystore -keyalg RSA -validity 1000000000000000 -keystore key_file_name.keystore

export apk through Eclipse, right click on Android project Android Tools > Export Signed Application Package, then give keystore location & password.

this will crate signed apk at the same time apk will be zipaligned. And installable.

If you go through command line for all, some times you may face «Application not installed» error.
(Application not installed error can happen not only, when using command line. It can be some other reasons as well)

answered May 5, 2013 at 11:57

Chinthaka Senanayaka's user avatar

Using Android Studio, I had previously installed the unsigned debug version of the APK (Build > Build APK) and had to uninstall it before installing the signed release version (Build Variants > Build Variant: release, Build > Generate Signed APK).

answered Dec 8, 2015 at 13:34

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I have also solved this issue,

The problem was that i declared my main activity twice,
On as the first activity to load and i specified also an intent-filter for it
And once again below it i declared it again .

Just make sure you don’t declare your activities twice .

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answered Feb 11, 2012 at 19:02

Avi Mistriel's user avatar

1

My problem was similar to that of @Lunatikzx. Because of wrong permission tag which was written as attribute to application:

<application
    android:permission="android.permission.WRITE_EXTERNAL_STORAGE"
    android:label="@string/app_name"
    android:icon="@drawable/ic_launcher"
    android:testOnly="false"
    android:debuggable="true">

What fixed it for me was changing permission tag to separate tag like this:

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

answered Nov 27, 2012 at 18:08

SMGhost's user avatar

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Apparently this can also be caused by renaming the APK prior to installing it. I wanted to reduce the amount of typing users had to do to get the app from our web site by shortening the file name. After that, they were unable to install it.

Once I reverted to the original file name used when creating and signing the package I was able to update the installed app.

answered Feb 13, 2014 at 16:11

Michael Todd's user avatar

Michael ToddMichael Todd

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In my case it was because I was using the alpha version of support library 28. Looks like Google marks these pre release versions as testOnly. If you really want to release like this (for instance, you want to push an internal beta like I did), you can add this line to your gradle.properties file:

android.injected.testOnly=false

answered Jun 25, 2018 at 7:30

M Rajoy's user avatar

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Check with the Android version.

If you are installing non-market apps, and incompatible version you will get this error.

Ex: Application targetted to 2.3.4
Your device is 2.2
Then you will get this error.

answered Jan 24, 2012 at 14:18

Noby's user avatar

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The «Application not installed» error can also occur if the app has been installed to or moved to the SD card, and then the USB cable has been connected, causing the SD card to unmount.

Turning off USB storage or moving the app back to internal storage would fix the issue in this case.

answered Feb 29, 2012 at 9:47

threeshinyapples's user avatar

I also encountered this issue.
Kindly try this solution. Make sure that the package name of your project is different from your previous project that was already installed in your mobile phone. I think they get conflict in their names. It works in me.

answered Jun 1, 2012 at 6:42

joepadz's user avatar

1

Isn’t it annoying when you try to use a new app – but instead, get an error message about the app not installed? Users, especially those who are not smartphone experts, often find themselves in a soup.

Restarting the device or deleting and reinstalling apps can resolve the issue if an app won’t install. You can further reset app preference or allow your android to install from unknown sources. Many people also prefer tools like APK Editor Pro or APK-Signer.

But, if you want to know the reasons behind the apps not installing and find a solution to this problem, keep reading.

Table of Contents

  • 1 Reasons/Causes Of The Problem?
  • 2 Common Fixes Of “App Not Installed” Issue (Working On All Android Versions)

    • 2.1 1. Restart Your Device
    • 2.2 2. Delete Malicious Applications And Reinstall
  • 3 9 Major Issues and Fixes Of “App Not Installed” Issue

    • 3.1 3. Corrupted Application
    • 3.2 4. Corrupted APK Package Installer
    • 3.3 5. Incompatible Or Older Version Of Apk
    • 3.4 6. Insufficient Storage Space
    • 3.5 7. Wrong Storage Location Or Card Not Mounted
    • 3.6 8. Unsigned Or Third-Party Application
    • 3.7 9. Incompatible App Preference
    • 3.8 10. Wrong App Permission
    • 3.9 11. Blocked By Google Play Protect
  • 4 Pro Methods To App Not Installed Error

    • 4.1 12. Change App Codes With APK Editor Pro
    • 4.2 13. Re-Signing WithApk-Signer
    • 4.3 14. Fix Through Root Explorer (Only Working On Rooted Device)
  • 5 Tips To Avoid “Apk Not Installed” Issue

    • 5.1 15. Never Install App On SD-cards
    • 5.2 16. Clear Cache And Data Regularly
  • 6 FAQs

    • 6.1 Q. How to fix app not installed issues in your phone?
    • 6.2 Q. How to fix the app not installed apk issue in Android?
    • 6.3 Q. How do I fix the app not installed problem?
    • 6.4 Q. Why does it say app not installed?
  • 7 Conclusion

Reasons/Causes Of The Problem?

It’s not just one or two explanations; there are several different reasons why this app installation error frequently occurs in Android devices. So, before you find the “app not installed” fix, you need to understand the root causes of these common errors to solve those accordingly. And the most common reasons are:

  1. Corrupted or malicious installation package (especially if you download the app from third-party sites)
  2. Some data packets missing from the original installation file (mainly due to internet issues while downloading)
  3. Using an older or obsolete variant of an app that is not supported by your android version
  4. Insufficient memory in the “Internal Storage” of your Android device
  5. SD card not appropriately mounted (if you have installed apps on external memory)
  6. App installation from “Unknown Sources” turned off in your phone settings
  7. Incompatible app preference, data restrictions in settings, and improper app permission
  8. Google Play Protect blocking the app in the background

Common Fixes Of “App Not Installed” Issue (Working On All Android Versions)

While specific issues need specific solutions in specific devices, two common fixes work in almost all the Android versions, from Cupcake 1.5 to the latest Android 12. Before you try any pro method, you should follow these two steps to solve the app not installed error.

1. Restart Your Device

Although it is pretty old school, restarting an Android device not only fixes common system errors but also retains battery life. And if your device has corrupted memory, it is almost certain that the apk won’t install. Restarting your Android at least once each week can effectively solve this issue.

Here are the steps to take to restart any Android device (Even working For Cupcake):

  • Step 1: Press and hold the power button for 3 seconds. (You may also need to hold the “power + volume” button in some models)

Power Off Button

Power Off Button
  • Step 2: Three options will pop up; Power Off, Restart, and SOS or Emergency Mode. Click on the “Restart” option.

Android restart

  • Step 3: Your android device will reboot and most likely solve the app not installed issue.

Your system may crash while restarting the device if you have a corrupted memory issue. So, don’t forget to check the fixes for the “system UI has stopped” issue on Android to solve it.

2. Delete Malicious Applications And Reinstall

An unused clutter of obsolete applications and widgets can interfere with other installations. And you can frequently get the app not installed issue in Samsung devices for that.

Here are the steps to clean your Android device (remove malicious app):

  • Step 1: Go to “Settings” and navigate to the “Apps” section.
  • Step 2: Find and select the app that seems suspicious, or you no longer need.
  • Step 3: Select the “Delete” or “Uninstall” option and click on it.

9 Major Issues and Fixes Of “App Not Installed” Issue

If the error still appears even after restarting your device or after reinstalling the application, you need specific fixes to solve the app not installed issue on your device.

3. Corrupted Application

Needless to say, a corrupted app is the most common issue that typically shows the app not installed with Android apk files. Here goes the step-by-step fix:

  • Step 1: Download the app from Play Store or any trusted (SSL Encrypted) site.
  • Step 2: Move the apk file to “Phone Memory” from “SD Card” (if your apk is on the external card rather than the internal storage, especially in older Android versions).
  • Step 3: Install the app from the internal storage and reboot your device before opening it.
  • Step 4: If the same error appears, delete the app and download it from other trusted sources like APKMirror or APKPure.

Third Party Apk Store APKpure

Third Party Apk Store APKpure

4. Corrupted APK Package Installer

Package installer is the core folder that installs the app on your Android device. Removing the corrupted apk package installer can even effectively solve the app not installed in mod apk or with any changes on the developer’s end. And here goes the fix:

  • Step 1: Go to “Settings” and navigate to the “Apps” option.
  • Step 2: Under the “App” section, navigate to “Package Installer”. (You should enable the “Show System Apps” before this step.)

Package Installer

  • Step 3: Under “Package Installer,” go to the “Storage” option.

Package Installer Storage

  • Step 4: Navigate to “Clear Data” and click on it to remove the complete installation package.

Package Installer Clear Data

  • Step 5: Download the app again from Play Store and reinstall it.

5. Incompatible Or Older Version Of Apk

Older and obsolete versions of an app can make it crash, especially in newer Android versions (Oreo and beyond). Many people even get WhatsApp app not installed issues while trying to download the WA 2.1 version or older on their Android device. Here goes the fix!

  • Step 1: “Delete” or “Uninstall” the older version of the app from your device. (Uncheck the “Keep App Data” if it pops up.)
  • Step 2: Reboot your device and download the latest version of the app from Play Store.
  • Step 3: Install and enjoy!

Your settings may crash or stop working temporarily while removing any core or default app. Follow our step-by-step guide to solve the “Setting Has Stopped” error on Android to fix this issue.

6. Insufficient Storage Space

It is recommended that you have at least 2 GB of free space on your device if you are trying to install a 1GB app. But, if it still shows the “app not installed” error, follow these steps!

  • Step 1: Navigate to “Settings” and go to the “Apps & Notifications” option. Tap the “App”. option
  • Step 2: Select the unused app and hit the “Uninstall” or “Delete” button.
  • Step 3: Move large audio or video files from “Internal Memory” to “SD Card”.
  • Step 4: Go to “Phone Manager” and clear the app cache. (Download one from Play Store if you don’t have pre-installed phone manager.)
  • Step 5: Reinstall the app only after you free up at least double the required space.

7. Wrong Storage Location Or Card Not Mounted

Apps perform the best when you install those on “Internal Storage,” although a few apps support direct installation on SD cards. Follow these steps if you still want to keep those in your external memory.

  • Step 1: Navigate to “Settings” and then click on the “Storage” or “Memory” option.
  • Step 2: Scroll down to find the “Storage Info” and click on it.

Storage Settings

  • Step 3: Navigate to the “Mount SD Card” option and tap it.

Mount SD Card

  • Step 4: Restart your device and reinstall the app on your SD card.

8. Unsigned Or Third-Party Application

Unsigned apps can create security loopholes that can even aggregate to bugs and errors during app installation. If your phone doesn’t support unsigned apps, it can show an app not installed in apk version.

  • Step 1: Go to “Settings” and navigate to the “Lock Screen and Security” option.

Lock Screen and Security

  • Step 2: Scroll down and find “Install from Unknown Sources”.

Install from Unknown Sources

  • Step 3: Turn it on and restart your device.

Allow Unknown sources on Chrome

  • Step 4: Delete the previous version (if you have any) and reinstall the app.

9. Incompatible App Preference

Resetting app preferences not only removes data restrictions but also resets the overall background data. And in most cases, following these steps can solve the issue.

  • Step 1: Go to “Settings” and navigate to the “Apps & Notifications” option.

Apps & Notifications

  • Step 2: Click on the “App” option and scroll down to find three dots or “More” options (You may also find the three dots in the upper right-hand corner in specific models).

Three Dot Under App

  • Step 3: Click “Reset App Preferences,” and a pop-up warning will appear.

Reset App Preferences Option

  • Step 4: Click on “Agree” or “Continue” and then hit the “Reset” button.

Reset App preferences reset Apps

10. Wrong App Permission

The “app not installed” error can even pop up after installing the initial package. It won’t start until you rectify the app permission, even if your app icon shows on the home screen. And to do that, follow these steps.

  • Step 1: Go to “Settings” and navigate to the “Apps” section. Tap “See All Apps” if you have many.

15+ Methods To Fix The App Not Installed Issue On Android 1

  • Step 2: Navigate to the particular app and click on “Permission

Chrome Permission

  • Step 3: Select “Allow” when the pop-up appears.

Allowing Chrome Permissions

  • Step 4: Restart your device and click on the app icon to open it.

11. Blocked By Google Play Protect

Google Play Protect is a feature introduced officially with the launch of Nougat, although it has been natively available since Marshmallow. To keep your device safe, this feature blocks unauthorized apps. But you can disable it (although we don’t recommend it).

  • Step 1: Open Play Store on your device and tap your “Profile Picture”.
  • Step 2: Scroll down and click on “Play Protect” before you further navigate to “Settings“.

Play Protect Settings

  • Step 3: Find “Scan Apps with Play Protect” and disable it.

Scan Apps with Play Protect Disable

  • Step 4: Restart your device and try installing the app again.

Your Google Play can crash or stop working while altering the protection option. If any such problem arises, refer to our quick fix for “Google Play Service has stopped” to solve it.

You seriously need to dig deep if none of these general fixes can solve the “app not installed” issue on your Android device. So, here are the three pro methods to solve this issue. But do it with utmost care and always take a backup.

12. Change App Codes With APK Editor Pro

APK Editor Pro is a 9-MB app that can edit the installed applications on your device. Although it is a method for tech-heads, this app can seriously do wonders if you can’t change the app permission and installation location from your general “Settings” option.

  • Step 1: Download and install APK Editor Pro on your Android device.
  • Step 2: Open the app and select the “APK from the App” option. (Some versions may also display “Select an APK File” options.)

APK from the App on APK Editor

  • Step 3: Navigate to the desired app and click to select it & Click on the “Common Edit” option

App Common Edit

  • Step 4: Change the installation location to “Internal Only“.

Change App location to Internal Only

  • Step 5: Reboot the device and reinstall the app. (Don’t forget to delete the older version if you have any installed.)

APK editor app save

13. Re-Signing WithApk-Signer

Apk-Signer is a legit app that can quickly sign apk files on your android device without any hassle. This app also supports the V2 signing scheme that not only increases the overall verification speed but also strengthens integrity.

  • Step 1: Open Play Store on your device and download “Apk-Signer” to install it.

APK Signer

  • Step 2: Open the app and go to the dashboard, where you can find the “Signing” option.
  • Step 3: Scroll down until you find the pencil icon.
  • Step 4: Click on the pencil icon to open your file manager.

APK Signing Option

  • Step 5: Select your desired application from the list and scroll down till you find the “Save” button.

APk Signer App Save

  • Step 6: Click on the “Signed” application option to install it on your device.

Apk Signed

14. Fix Through Root Explorer (Only Working On Rooted Device)

This method will only work in rooted phones with the latest version of the Lucky Patcher app. Besides, it is advisable to create a backup copy of your data before modifying any app through this patcher.

  • Step 1: Download the “Lucky Patcher” app mod on your Android device and install it.
  • Step 2: Open the app and click on the “Toolbox” option.

Lucky Patcher Toolbox

  • Step 3: Navigate to the “Patch to Android” option and click on it to open a checkbox.

Patch to Android on Lucky Patcher

  • Step 4: Check both the “Signature Verification status always true” and “Disable apk Signature Verification” options.

Signature Verification status always true

  • Step 5: Click on the “Apply” option and reboot your device.

Tips To Avoid “Apk Not Installed” Issue

Indeed, the “app not installed” issue can frequently arise even on newer Android devices. But you can follow these two tips to avoid this problem effectively.

15. Never Install App On SD-cards

Although the latest Class-10 SD Cards support an excellent transfer speed, they can’t match the speed and performance of the internal memory. So, it is always the best option to install all your apps on the “Internal Memory” of your Android device.

SD Cards may also have corrupted or contaminated files that can further corrupt your installation files. The application installer may also get blocked in the background to parse the package completely.

16. Clear Cache And Data Regularly

Your cache may be unresponsive, or your data may not be completely accessible if you get the “app not installed” error too frequently. By clearing your cache and data regularly, you can avoid this problem. And to do that, follow these steps:

  • Step 1: Go to “Settings” and navigate to the “Apps” section.
  • Step 2: Scroll down and locate the “Package Installer” option.
  • Step 3: Click on the package installer and navigate to “Clear Cache and Data“.

Package Installer Clear Data

  • Step 4: Reboot your device and try installing the app again.

FAQs

Q. How to fix app not installed issues in your phone?

There are several ways to fix the “app not installed” issue on Android devices. Start with restarting your device and clearing your cache. You can also move your apps from SD Card to “Internal Memory” to improve performance. Besides, you can rectify app preference or disable Google Play Protect.

Q. How to fix the app not installed apk issue in Android?

First, try rebooting your device after clearing your app cache. Next, download the app from either the Play Store or trusted websites. You also can “Reset App Preferences” to allow installation from a third-party installer. But be extra cautious about downloading only the latest version of the app.

Q. How do I fix the app not installed problem?

The “App not installed” issue can arise for several reasons. However, there are some general hacks to fix this common error. You can reboot your device and install the app on your internal storage. Besides, you may also need to clear the cache and then reset the app preference to reinstall it.

Q. Why does it say app not installed?

There may be several reasons why your Android frequently shows the “app not installed” error. It can be primarily because your installation package is on the SD card. Besides, you may be downloading the obsolete version of the app. Even the Play Protect can now block the app in the background.

Conclusion

Using a smartphone may seem like a challenge to a novice user, especially when they face the problem of an app not installed. But, by following a few simple steps, it is possible to handle the issue in no time.

Do you have another solution to the problem? Don’t forget to let us know about it in the comments below!

Всем привет! Вчера на телефоне столкнулся с проблемой – при установке программы вылезает ошибка с текстом: «Приложение не установлено». Смартфон – Андроид. При этом что делать – не понятно, так как каких-то дополнительных сообщений нет. Начнем с того, почему же вообще не устанавливается приложения, и что может быть причиной:

  • Сбой в файлах системы.
  • Проблемное обновление.
  • Недостаточно памяти.
  • Неправильно настроена используемая память для приложений в Play Market.
  • Кеш и лишний мусор.
  • Вирусы.
  • Сбой в Play Market и Google приложениях.
  • Блокировка со стороны стороннего антивируса.
  • Проблема с Wi-Fi или мобильным интернетом.
  • Ошибка в APK-файле.

Перелопатил почти пол интернета и мне все же удалось решить эту проблему. На всякий случай в статье ниже описал все то, что смог найти – авось кому-то не поможет те решения, которые помогли мне, поэтому я написал все, что смог найти. Если в процессе возникнут какие-то вопросы, то вы можете смело обращаться ко мне в комментариях. Поехали!

Содержание

  1. ШАГ 1: Удаление лишних программ
  2. ШАГ 2: Чистка Google Play Market
  3. ШАГ 3: Обновление ОС
  4. ШАГ 4: Проверка на вирусы и настройка Google Play
  5. ШАГ 5: Полная чистка смартфона от мусора
  6. ШАГ 6: Общие меры
  7. ШАГ 7: Сброс настроек
  8. Задать вопрос автору статьи

ШАГ 1: Удаление лишних программ

Почему не устанавливается приложение на Android: 7 способов решить проблему

Как правило, пользователи не удаляют программы, которые используют всего один или несколько раз. Несмотря на то, что этими приложениями вы не пользуетесь – они мало того, что занимают место, так и еще могут висеть фоном, пользуясь ресурсами смартфона. В результате может забиться внутренняя память. Второй вариант – когда между программами есть какой-то внутренний конфликт. Поэтому я настоятельно рекомендую удалить лишние приложения, которыми вы редко пользуетесь.

  1. Зайдите в «Настройки». Найдите раздел с приложениями.
  2. После этого откройте весь список установленных программ, нажав по соответствующей ссылке.

Почему не устанавливается приложение на Android: 7 способов решить проблему

  1. Пройдитесь по списку и удалите ненужные вам программы – для этого просто выбираем ПО и жмем по кнопке «Удалить».

Почему не устанавливается приложение на Android: 7 способов решить проблему

  1. Если программу вы удалить не можете, но весит она достаточно много (например, тот же самый браузер), то вы можете выполнить очистку кеша. Переходим в «Хранилище и кеш» и жмем по кнопке очистки.

Почему не устанавливается приложение на Android: 7 способов решить проблему

ШАГ 2: Чистка Google Play Market

Если прошлый способ не дал результата, то можно выполнить примерно те же самые шаги с внутренней программой Google Play Маркет, которая отвечает за установку новых приложений. Найдите её в списке и нажмите по кнопке «Остановить». Теперь идем в раздел с кешем.

Почему не устанавливается приложение на Android: 7 способов решить проблему

Сначала удаляем лишний кеш и проверяем установку программы. Если это не поможет, то очищаем все хранилище.

Почему не устанавливается приложение на Android: 7 способов решить проблему

  1. То же самое сделайте с «Сервисами Google Play».

Почему не устанавливается приложение на Android: 7 способов решить проблему

ШАГ 3: Обновление ОС

Бывает, что проблема возникает из-за кривого обновления системы. В таком случае разработчики обычно быстро выкатывают фикс-пакет. Поэтому попробуйте обновить систему Android. Для этого заходим в «Настройки» – «Система» – «Обновление системы» – далее жмем по кнопке проверки обновления и загружаем обнову, если она есть.

Почему не устанавливается приложение на Android: 7 способов решить проблему

ШАГ 4: Проверка на вирусы и настройка Google Play

  1. Откройте Play Маркет.
  2. Нажмите по вашей аватарке рядом со строчкой поиска.
  3. Вам нужно найти тут подраздел с настройками – он может называться по-разному. В моем случае это «Управление приложениями и устройствами». Если вы не можете найти данный раздел, то просмотрите каждый из представленных.

Почему не устанавливается приложение на Android: 7 способов решить проблему

  1. Современный «Google Play Market» обладает своим встроенным антивирусом и работает он достаточно хорошо. Зайдите в раздел антивируса и выполните проверку. Также обновите все существующие программы.

Почему не устанавливается приложение на Android: 7 способов решить проблему

  1. Еще один очень важный момент для телефонов, на которых установлена дополнительная карта памяти – нажмите по пункту, где отображается вся память. Далее вы увидите все установленные проги – отсортируйте их по редкости использования. Таким образом можно увидеть то ПО, которым вы почти не пользуетесь. Отсюда можно его быстро удалить. Также если вы используете SD-накопитель, то убедитесь, что программы устанавливаются в место (на телефон или карту), где есть свободные мегабайты.

Почему не устанавливается приложение на Android: 7 способов решить проблему

ШАГ 5: Полная чистка смартфона от мусора

Телефон помимо кеша сохраняет еще уйму временных файлов, которыми потом просто не пользуется. Этим грешат все смартфоны на Андроид. Во-первых, при этом забивается внутренняя память телефона. Во-вторых, могут возникать технические ошибки. В-третьих, из-за сбоя программы она может начать использовать старые временные файлы, которые уже не актуальны. Поэтому лучше всего выполнить полную тотальную чистку. Проще всего использовать приложение «CCleaner»:

  1. Скачиваем программу с Play Market.
  2. Открываем и даем согласие на доступ к памяти.
  3. Отказываемся от платной версии – бесплатной нам хватит.
  4. Нажимаем по кнопке «Быстрая очистка».

Почему не устанавливается приложение на Android: 7 способов решить проблему

ШАГ 6: Общие меры

Попробуйте удалить стороннюю антивирусную программу. Она также может мешать установке. Если это не помогло, то можно попробовать переподключиться к другому источнику интернета. Если вы были подключены к Wi-Fi, то переподключитесь к мобильной связи, или к другому роутеру. Если вы устанавливаете программу с APK-файла, который был скачен не с Google Play Market, то попробуйте удалить её и скачать повторно. Возможно, сам файл поврежден.

Можно попробовать переименовать файл в любом проводнике. На некоторых системах есть проблема, когда в названии APK-файла есть пробелы или какие-то сторонние символы (разрешаются только цифры или латинские буквы). При этом может вылезти другая ошибка – «No installed apps found».

ШАГ 7: Сброс настроек

Давайте посмотрим, что же еще можно сделать, если приложение все равно не устанавливается. Если ничего из вышеперечисленного не помогло, то есть вероятность, что есть серьезные поломки в системных файлах, или каких-то программах, которые отвечают за установку новых утилит. Зайдите в «Настройки» и найдите основной раздел «Система». Открываем «Сброс настроек».

Почему не устанавливается приложение на Android: 7 способов решить проблему

Тут у нас есть три пункта. В первую очередь сбрасываем настройки программ. Перезагружаем телефон и пробуем установку. Если это не помогает, то можно попробовать сбросить Wi-Fi, мобильный интернет и Bluetooth – кто знает, может есть проблемы именно со связью. В самом конце делаем полный сброс телефона.

Почему не устанавливается приложение на Android: 7 способов решить проблему

Android App Not Installed ( Андроид приложение не установлено) — уже не является неизвестным кодом ошибки для установки приложений, так как многие люди испытывают это на ежедневной основе. Сообщение об ошибке «Андроид приложение не установлено» появляется обычно при попытке загрузить и установить программу с расширением .apk из местоположения, отличного от Google Play Store. Ошибка сначала сбивает с толку, но имеет смысл, учитывая, что этот неизвестный код ошибки не является проблемой программного обеспечения или аппаратной проблемой при установке программ.

Андроид приложение не установлено что делать

Это прямой результат того, что вы делаете с вашим устройством. Да, вы слышали это правильно. Ваши ошибочные действия могут привести к ошибке «Андроид приложение не установлено».

Если вы хотите узнать больше о причинах этой ошибки и о лучших способах ее устранения, читайте дальше. Вот все, что вам нужно знать …

img

Вот несколько причин ошибки «Андроид приложение не установлено»  

Недостаточное пространство для хранения

Когда программное обеспечение Android и данные, такие как фотографии, видео, музыка, сообщения, софты, контакты, электронные письма и т. д., хранятся во внутренней памяти, недостаточно места для других приложений, что приводит к ошибке «Android App Not Installed».

Файлы поврежденны

Если вы не загружаете проргамму из Play Маркета и выбираете другую платформу, файлы приложений обычно повреждаются и не могут быть легко установлены на вашем устройстве. Вы должны быть уверены в том, где вы загружаете его. Проверьте имя расширения и не пытайтесь установить прилагаемые файлы.

SD-карта, не встроенная в устройство

Андроид приложение не установлено что делать

Иногда ваш телефон может быть подключен к компьютеру или другому электронному устройству, которое может получить доступ к SD-карте с вашего устройства. В таких ситуациях, если вы устанавливаете приложение и сохраняете его на SD-карте, вы увидите сообщение об ошибке «Android-приложение не установлено», потому что оно не может найти SD-карту, которая не установлена ​​на вашем устройстве.

Место хранения

Вы должны знать, что некоторые программы лучше всего работают во внутренней памяти устройства, в то время как есть другие, которые должны быть размещены на SD-карте. Если вы не храните приложение в подходящем месте, вы обнаружите, что оно не установлено из-за неизвестного кода ошибки. Для решения проблемы пробуйте сохранять его как на внутреннюю память так и на sd.

Поврежденная память

Поврежденная память, особенно поврежденная SD-карта, является известной причиной ошибки «Android-приложение не установлено». Даже внутренняя память может быть заблокирована ненужными и нежелательными данными, некоторые из которых могут содержать элемент, который мешает местоположению. Отнеситесь к этой проблеме серьезно, потому что поврежденная SD-карта и даже заблокированная внутренняя память могут поставить под угрозу ваше устройство.

Права доступа

Программные операции в фоновом режиме и права доступа приложений не являются новыми понятиями. Даже такие ошибки могут вызвать неизвестный код ошибки во время установки на смартфон.

Неверный файл

Если у вас уже установлено приложение, но загрузите другую версию, у которой есть уникальный подписанный или не подписанный сертификат, это может также привести к появлению ошибки «Android-приложение не установлено». Это звучит технически, но это и все другие причины, упомянутые выше, могут быть решены вами.

img

Неизвестный код ошибки при установке приложения может возникнуть по одной или нескольким причинам, упомянутым выше. Поэтому внимательно прочитайте причины указанные выше чтобы избежать таких проблем в будущем.

img

Устранение ошибки «Приложение для Android не установлено»

Мы понимаем, что это может быть сложной ситуацией, если появляется сообщение «Android App Not Installed». Но что, если мы скажем вам, что вы можете избавиться от него простыми и понятными шагами?

Удалите ненужные файлы

Освободите место на своем устройстве, очистив ненужные данные и удалив дополнительные носители и другие файлы.

Андроид приложение не установлено что делать

Вы также можете избавиться от не нужных софтов:

  1. Откройте «Настройки» на своем устройстве. Затем выберите «Диспетчер приложений» или «Приложения» из списка опций перед вами.
  2. Теперь выберите софт, которое вы хотите удалить, дождитесь появления экрана информации о приложении и нажмите «Удалить», как показано на скриншоте.

Используйте только Google Play Store

Как вы все знаете, Play Store был разработан специально для программного обеспечения Android и содержит только надежные и безопасные приложения. Он часто известен как «Android Market», потому что он полон различных приложений для удовлетворения всех ваших потребностей, поэтому вам не нужно полагаться на другие сторонние источники для покупки / установки программ.

 Установите SD-карту

Другим обходным решением для ошибки «Android приложение не установлено» является то, что карта SD, вставленная в ваше устройство, недоступна.

Сначала отключите устройство от ПК. Затем перейдите в «Настройки» на вашем Android и выберите «Память» из отображаемых опций. На появится вкладка экране «Информация о хранилище» нажмите «Установить карту SD».

img

Теперь вы можете перезапустить свое устройство и попробовать установить программу сейчас. Он должен работать!

Выберите место расположения программ

Желательно не изменять местоположение приложения и позволять программному обеспечению решать, куда его поместить. Храните их как можно больше во внутренней памяти вашего устройства.

Отформатируйте SD-карту

Вероятность того, что ваша SD-карта будет повреждена, очень высока. Вы можете отформатировать её либо в устройстве, либо через ПК.

 Андроид приложение не установлено что делать

Чтобы очистить SD-карту, просто перейдите в «Настройки», выберите «Память», нажмите «Форматировать SD-карту» и снова установите ее для плавного использования.

Права доступа к программе

Вы можете сбросить разрешения программ, чтобы исправить ошибку «Android приложение не установлено», перейдя в «Настройки» и выбрав «Приложения». Теперь перейдите в меню «Приложения» и нажмите «Сбросить настройки приложения» или «Сбросить права доступа к приложению». Таким образом, сторонние приложения могут быть установлены на вашем устройстве.

Выберите правильный файл

Убедитесь, что вы загружаете файл программы из надежного и защищенного источника, чтобы избежать ошибок установки.

Перезагрузите устройство

Если ничего не работает, перезагрузите устройство, чтобы остановить любые операции, которые могут привести к вышеуказанной ошибке. Для перезагрузки просто нажмите кнопку питания, пока не увидите диалоговое окно. Выберите «Перезапустить» и дождитесь перезагрузки устройства.

Итак, мы выделили основные ошибки «Android-приложение не установлено» и способы их решения. Просим оставлять свои пользовательские способы устранения такого вида ошибки и как её исправить ниже в комментариях.

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    Приложение для очистки мусора на андроиде. Очистка телефона андроид от мусора, обзор приложений.

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App Not Installed Error Fix on Android with this simple solution and install the problematic app. Through the Methods, you can Fix APK Not Installing Error

Android system is great when it comes to using Apps and enjoying a seamless smartphone experience. Many times you may get annoying messages while you install Apps on your device, especially apps from ‘unknown sources.’ One such message is ‘App Not Installed’ or ‘Application not Installed’. And it is a common issue faced by Android KitKat, Lollipop, Marshmallow, etc.

When you try to install any App which is incompatible with your device’s OS and software, the App may not get installed successfully. Thus giving you the error message App Not Installed. There are mainly a few possible reasons for the error of installation;

  • The App build may have been corrupted, or some of the core files have been modified knowingly or unknowingly.
  • Your device storage is full, which blocks the package installer from dysfunction.
  • Installing APK bundles that do not support simple APK Arch installation
  • Android Manifest is the set of permissions and has a lot of permissions where an error might have occurred.
  • Gradle file – The problem might be in the file itself. Just check the minimum SDK version is suitable for your device.
  • Installing an unsigned app could also result in this error.
  • The application does not support the Android version.

Note: Before going through the fix, make sure to uninstall any already installed app of the same nature. And try installing the app to see if the issue is fixed.

Top Ways to to Fix APK Not Installing Error

Here are the Best Solutions to Fix App Not Installed Errors on Android Mobile.

1. Change App Codes

You can make some changes in the version code or SDK to do so. This method also works on Firestick and Fire TV.

Step 1. Download the APK Editor app.

Step 2. Now open APK Editor App and click on “Select an Apk File”.  Now search for the app which you wish to install.

APK Editor

Step 5. Click the app and select the “common edit” option.

Common_Edit

Step 6: Here change the Install Location to any other option whichever applicable for your device.

Install_Location


*You can also change the Version Code of the App to any older one which is supported by your device. (*Try this if location change do not work)

Version_Code


Step 7. Apply the changes in APK Editor App.

Save Chnages

Step 8. Uninstall the similar pre-installed app and install the modified App from APK Editor.

2. App Bundles APKs

If the APK file is Split into App bundles, ‘App Not Installed‘, is the error you will face if you try installing APK. Make sure the File is Not Split into APK App Bundle. If it is a bundle, then you need to install it using a Split Installer. Google introduced a new way to distribute Android apps called app bundles.

While the regular apps contain all necessary resources like screen size, manifest, XML, Config, and architecture in a single APK. The app bundles only include the components that your specific device needs, organized into split APKs. While app bundles help save storage space and data usage, they are not one-size-fits APK files.

The Android Apps Bundle (AAB) Files can come in a compressed format like XAPK, APKS, APKM, or AAB. You can use any of the following methods to install the App Bundles on Android.

Use AAB Installer to Install APK Bundle

  • How to Install Android App Bundles on Android?
  • How to Install XAPK File on Android?

While the above links can be helpful if the APK files are compressed as a single AAB. You need to use a split APK installer to install app bundles if you have downloaded multiple APK files.

App Not Installed Resso

In simple terms, APK is split in different APKs which include Base.APK, Config-Archi.APK and other Files which can only be installed using a 3rd party split installer. If you directly try to Install the APK you will see ‘App not Installed’ Error.

Note: Make sure you have installed all the APK files necessary to install the App using Split APK Installer.

Here are the Steps to Install App Bundles Split APK File Using an Example.

Step 1. Download All the APK Files viz. Base APK, Config Archi APK, or any other APK File if Listed.

Step 2. Now Download and Install Split APK from Play Store.

Step 3. Click on Install APKs Button.

Step 4. Locate the Files and Select All the Files.Install_APKs_with_SAI

Step 5. Now Click on Select.

Step 6. Now you will an Installation box, click Install and Done!

Resso_Install_APK

3. Disable Google Play Protect

Google Play Protect is Google’s built-in malware protection for Android. It scans the installed apps or apps to be installed for any virus and, if it finds any harmful code or nature, blocks the installation. The play protects not only works or apps installed from the play store but also for 3rd party apps.

So, if you face any install errors, it is better to disable play protect and give it a try.

  1. Go to Play Store
  2. Click on the Menu Hamburger icon on the top left
  3. Here look for Play Protect
  4. Click on the Settings icon
    Disable Play Protect
  5. Disable Play Protect.

4. Sign the Unsigned App

  1. First, download and install ZipSigner from Google Play Store.
  2. Launch the app.
  3. You will see the app dashboard. You will see the dashboard,
  4. Now, tap on Choose input/output and locate the apk file
  5. Then tap on ‘Sign the file’.
  6. Let the process be complete, and then install the signed apk.

5. Reset All the App Preference

  1. Go to Settings on your Android device.
  2. Open Apps or Apps manager.
  3. check for All Apps.
  4. Tap on the menu icon.
  5. Click on ‘Reset App Preferences.’

Reset App preferences

6. Avoid Installation from SD Card

If the APK is downloaded or if you are trying to install it from an external mount, then in many cases, it would not be possible due to contamination of the file. The installer may not completely parse the package from mounted storage.

The best solution, in this case, is to download the APK onto your internal storage and try installing the App. Your mobile package installer will accept the files without any errors.

7. Use an older version of the App

Any latest version of the App may not support your device due to system limitations. Just download any older version of the App. If this works, then your device is not capable to read the latest APK.

8. Clear Data and Cache of Package Installer

  1. Open settings on your Android device.
  2. Look for the option called Apps or Manage apps and tap on it.
  3. Check for the Package Installer App under the system Apps
  4. You will find two options Clear data and Clear cache. (For Android Marshmallow 6.0 users, check for option Storage to clear data and cache)
  5. Clear the data and cache to solve the problem.

9. For Root Devices

If you have a rooted phone, then the success rate increases manifolds.

  1. Download and open any root explorer app on your rooted device.
  2. Copy the Apk, then go to system >app and grant permissions to the app.
  3. You will see the App installed on your device.

Using Lucky Patcher

  • Download, install and open Lucky Patcher (Google Search to Download File)
  • Tap the option Toolbox
  • Click Patch to android
  • Check “Signature Verification status always true” and “Disable apk Signature Verification” and Apply.
  • Reboot your device if not automatically rebooted.

10. Other Miscellaneous Fixes

  • Delete .android_secure/smdl2tmpl.asec file from your SD Card.
  • Reboot the phone and even remove the battery if possible.
  • Uninstall all previous versions of the app or apps with the same resemblance currently installed on your device.
  • Remove the SD card, and also do not connect your device to a PC while you install the apk.
  • Free up some space, and uninstall unnecessary apps.

How to Use Older Versions of Android Apps Without Updating?

Note & Conclusion: If the above post couldn’t solve the problem, then you need some coding in Android SDK to checkapplicatioId the build.gradlefile is unique.

I hope the post was helpful in resolving the issue of the App Not Installed Error. Do comment below for any assistance if needed.

If you’ve any thoughts on How to Fix ‘App Not Installed’ Error on Android?, then feel free to drop in below comment box. Also, please subscribe to our DigitBin YouTube channel for videos tutorials. Cheers!

It seems that there is no end of experiencing errors on Android phones and its somewhere true because everyday users are some or the other error on their devices.

Recently few users have reported about “App not installed” error message on their Android devices.

Generally, it occurs when users try to install an APK that is not available in Google Play Store. Though you cannot say that it’s a software or hardware issue but it completely depends on your device usage.

However, this is not a new thing that users come across several issues or errors and especially when you try to install APK from a third-party source.

So this issue can continue in the future as well, so it’s better to find out some best fixes for it.

Here in this blog, you will get some efficient ways to resolve app not installed on Android along with the common causes.

To Fix App Not Installed Error On Android, we recommend this tool:

This effective tool can fix Android issues such as boot loop, black screen, bricked Android, etc. in no time. Just follow these 3 easy steps:

  1. Download this Android System Repair tool (for PC only) rated Excellent on Trustpilot.
  2. Launch the program and select brand, name, model, country/region, and carrier & click Next.
  3. Follow the on-screen instructions & wait for repair process to complete.

But before knowing how to fix app not installed APK error, let’s take a look at one of the real user’s examples.

Practical Scenario:

Hello,

The first time I built the app in the App Center, the apk file created was successfully installed on Android 8.1.0.
However, after I changed to release variant and enabled the “Sign builds” option, the created apk cannot be installed and the system just showed me the error message “App not installed”.
Does anyone know what might be happening?

Regards,

Vinícius Alves – Siemens

From: Mendix.com-forums

What Causes App Not Installed On Android?

Some common causes include:

  • Insufficient storage space is one of the main culprits for such error to occur
  • When SD card is mounted on an Android phone, then there is a chance to come across apps not installed error message
  • If the storage location is corrupted like SD card then it may happen that it popups an error message
  • When the apps are downloaded from other sources and not from Google Play Store
  • While installing any app, you need to accept specific permissions and if you deny them then Android app not installed error will popup
  • Some apps are installed only on the phone’s internal memory and when the app does not find the proper location then users can come across such error message
  • When APK file is corrupt then it happens to show you an error message

So these all are the major causes for App not installed error Android. Now it’s time to go through the solutions that will help you further to resolve the error.

Now you will get some fixes that have the potential to resolve “App not installed” error on Android. Go through every solution and see which one works for you.

List of tricks:

  • Restart Your Android
  • Check App Location
  • Use Only Google Play Store
  • Clear Data And Cache Of Package Installer
  • Sign The Unsigned App
  • Disable Google Play Protect
  • Reset App Preferences
  • Mount Your SD Card
  • Allow Apps From Unknown Sources
  • Delete Unwanted Applications
  • Format SD Card
  • Change App Codes
  • Avoid Installation From SD Card
  • Factory Reset Android Phone
  • Use best Android Repair Tool

Solution 1: Restart Your Android

One of the common but effective ways to fix the error is restarting your Android phone. This is a basic step that everyone should know. It can solve any kind of glitches that occur on Android phones.

What you have to do is:

  • Hold Power button for a few seconds
  • Then you will see Power off, Restart, and other options on screen. Choose Restart option and wait for few seconds until the device restarts completely.

And now check if the same problem is popping up again, if yes then go to the next solution.

Solution 2: Check App Location

Whatever apps you install on your phone, some are installed on internal memory whereas some are on SD card. Therefore, you should check the file location first when you come through such error message:

Here is what you have to do:

  • First, go to Settings > open Storage
  • Under Storage > you will get internal storage and SD card. Check out the app location and move it to the other storage to fix app not installed error message

App not installed

Also Read: 10 Ways To Fix Installed Apps Not Showing In Play Store

Solution 3: Use Only Google Play Store

You should know that Android users are offered Google Play Store to download unlimited apps as it has trusted and safe ones. But sometimes, few apps might not be available on Play Store and users have to install them from third party source.

This is risky one and you might come across “Android App not installed” error message. Third party APK can have virus that may infect your phone and several other issues as well.

So it’s better to stick to Play Store and download as many apps you wish for without going for third party source.

Solution 4: Clear Data And Cache Of Package Installer

Even the error you are coming across can be due to data and cache of the package installer on your phone. So once you should clear out data and cache of it.

The steps are as follows for how to fix app not installed on Android 11:

  • First, go to Settings > Manage Apps
  • Now under System apps > check the package installed
  • You will get Clear Data and Clear Cache option
  • Click on both the options one by one and hopefully, this will make your device error-free.

If not, then move to the next solution.

Solution 5: Sign The Unsigned App

You need to sign the unsigned app that can help you to deal with the error message. For that you need to download ZipSigner app from Google Play Store.

Here are the steps you should follow:

  • First, download and install ZipSigner app from Play Store
  • After launching the app, you will get the app dashboard
  • There you have to click on Choose input/output

  • After that, click on Sign The File option
  • Now wait for the process to finish and install the signed APK after that

Solution 6: How To Fix App Not Installed Problem By Disabling Google Play Protect

Google Play Protect is one of the useful features that stop you from installing apps from third-party source. If you try this then you can get App not installed error message.

But to remove such error message, you can disable Google Play Protect by following the below steps:

  • Open Google Play Store on phone and click on “Hamburger” icon

  • Then search for “Play Protect” and open it

  • Now on “Play Protect”, tap on “Settings icon” at top right

  • There you will get an option to disable “Scan device for security threats” by click on toggle button

  • And now you can install any apps that you want.

Also Read: Android Apps Crashing? Here’s How To Fix This Android System WebView Issue!

Solution 7: Reset App Preferences

  • First, go to Settings on phone > click on “Apps & notifications

  • Now on All Apps tab, click on three-dot at top right corner

  • Then click on “Reset App Preferences

  • There you will get a popup box in which you have to click on “Reset Apps

That’s it…Now install any app and see if the same error occurs again or not

Solution 8: Mount Your SD Card

Another possible cause for the error can be your SD card that might not be inserted properly. This can happen very often and you can see app not installed error message.

Therefore you should check whether SD card is properly accessible or not by following the steps below:

  • First, go to Settings > open Storage
  • Now look for storage info and you will get Mount SD card option > click on it

That’s it, after that check for the error is resolved or not

Solution 9: Allow Apps From Unknown Sources

When you install any third party apps on your phone then you have to allow apps from unknown source. But have to do it manually.

The steps are as follows:

  • First, go to Settings > Security > Unknown sources
  • Now here click on enable option so that the user can install apps from unknown sources.

And that’s it, now whenever you will try to install any apps from unknown sources, it will not display any error.

Also Read: Fix Apps Keep Crashing On Android Devices With 13 Quick Ways

Solution 10: Delete Unwanted Applications

Your phone might have several apps and among them, leaving few others are just installed but not in use. It happens many times but its not good for your device health and can suffer you from several error messages.

So simple solution is remove those unwanted apps from device.

  • First, go to Settings > open Apps
  • Check the list of apps that you don’t need any more
  • Now choose those apps and click on it
  • You will get a Delete option, so just tap on it and the app will be removed

Solution 11: Format SD Card

It might happen that your SD card is totally damaged or corrupted and this can be the cause of Apps not installed error message.

So you should format it either on device itself or by externally.

What you need to do is go to Settings > select Storage > click on “Format SD Card” and once again mount it to smoothly use it.

Solution 12: Change App Codes

To get out of the error message, you can also change some App codes by following the below steps:

  • First, Download APK Editor from Play Store
  • Now open the APK editor and tap on “Select APK from APP” or “Select an APK File

  • Then look for app and tap on common edit option.
  • After that, change app version to older one compatible with your device.
  • And at last, app those changes in app.

Now uninstall any same pre-installed app and install the modified app

Solution 13: Avoid Installation From SD Card

Many times, the APK gets downloaded on SD card or you might try to install it from external mount then it may show you error because of contamination of file. This is because the installer might not parse the package from mounted storage.

So in this situation, the best solution you can do is download APK in your internal storage and install it. Your phone will accept the file without error.

Solution 14: Factory Reset Android Phone

When nothing goes on your way, then only one thing is left and that is “Factory Reset”. This can solve app not installed error on your phone.

Just follow the below steps to factory reset Android phone:

  • First, open Settings > move down to “Backup & Reset
  • Now click on “Factory data reset
  • Then click on Reset phone > Erase everything

  • If its password protected then enter the password
  • And now the process begins and after it is finished, you should try to install your apps on device.

Hopefully, Android app not installed error will not come again.

Alternative Way To Fix Android App Not Installed Error

Another best way to deal with App not installed error is by using Android Repair. This is a professional tool that helps to fix any kind of issue on Android phone.

Some of the error that this tool can fix is Black screen of death, app keeps crashing, setting has stopped, Stuck on boot loop and others.

With a simple 1 click, your Android phone can become normal, and using this tool, there is a high chance of fixing any kind of Android errors.

btn_imgfree-download-android-repair

Note: It is recommended to download and use the software on your PC or laptop only.

Conclusion

So here I have discussed 15 best ways to resolve “App not installed” error on Android and hope that following them will surely help to get rid of the error.

Do remember that whenever you wish to download any app then choose Google Play Store as this is the best and safe way to download and install any apps on Android. You can also use Android Repair software as an alternative method to fix App not installed.

Henry Morgan

Henry Morgan is a professional blogger who loves to write blogs about Android & iOS related topics. He lives in Northern California and has almost 15 years of experience in the field of technology, tackling all kind of issues, errors or other problems. Currently he is a great contributor on Android Data Recovery Blogs and his blogs are loved by people where he guides to solve several Android related issues or any other problems. During his busy schedule, Henri finds some moments to spend time with his family and loves to play cricket.

Android users are constantly on the receiving end of system errors. Every week we see new problems arise that prevent users from accessing their device’s full capabilities.

Recently the most common Android error has been ‘Android App Not Installed‘ or  Android file transfer Mac not working, and unfortunately, it’s more bothersome than other errors.

This error typically appears when users attempt to install an APK that isn’t available on the Google Play Store. Believe it or not, this is a problem that isn’t a direct result of a software or hardware error; it’s how you use the device.

Fortunately, it’s not the end of the world and if you regularly install APKs from a third-party source, use this guide to fix the problem.

Why You Might See ‘Android App Not Installed’

Before eliminating the error, it’s always a good idea to know what causes it. This will prevent it from popping up in the future, and thus, here are some of the reasons.

Also, you may want to know how to disable Bixby on Samsung devices effortlessly.

#1 – Not Enough Storage

If you don’t have enough available storage, then the app won’t be able to install properly. In some cases, the app may attempt to install even if there isn’t sufficient storage, but it will fail, and this error is then shown.

#2 – Corrupt APK File

Downloading the APK file for an app is simple enough, but it can be problematic if you do something to interrupt the download. Make sure that you only download genuine APK files and that you aren’t downloading them from a known harmful source. A file that is corrupt or is a virus will result in this error showing.

#3 – Corrupt Storage Device

Much like hard drives, SD cards can corrupt without any warning. If you try to install an APK on your SD card when the device is corrupt, you’ll likely see this error. Alternatively, it could be the corrupt internal memory (although this usually makes the device unusable).

#4 – Insufficient System Permissions

When you install an Android app, you will receive a request for specific permissions. These permissions are usually vital to an app’s functionality, and if you don’t accept them, you won’t be able to use the app.

#5 – Duplicate Installation

If you are downloading an APK from outside of the Google Play Store, then you won’t get the benefit of duplication detection. If you install a newer version of a third-party APK you already have on your device, it likely won’t run properly.

These are the main reasons that will cause the Android app not to be installed, and if you have an idea of the reason this time, you can avoid future encounters.

PS: You can also click to fix on Process System isn’t Responding, and Google Play Services Has Stopped.

Solutions for Fix “Android App Not Installed”

Regardless of the reason for this unfortunate error, some of the fixes below will help you resolve it.

Solution #1 – Repair the error with dr.fone

With dr.fone – Android System Repair, even if you are a people who know little about technical things, you are able to repair Android system issues with simple clicks.

Key features of dr.fone – Android Repair

  • One-stop solution to fix the error of “Android App Not Installed”
  • Fix various Android issues.
  • Easy to use without technical skills required
  • Support for almost all Samsung smartphones, including Galaxy S9, S8, etc.
  • Provide practical on-screen spec to prevent any misoperation

Get dr.fone – System Repair (Android)

Note: The android system repair job may delete the existing data on your smartphone; it’s highly recommended to back up your Android data before Android repair starts.

Step 1. Download, install and launch dr.fone Android Repair on your computer, and then connect your Android device to it.

dr.fone

Step 2. Choose “Android Repair” under “System Repair” and then click “Start.”

Step 3. Choose device information, like name, brand, country, model, etc., and type the code “000000” to confirm.

Step 4. Follow up on the instruction to boot the Android device in download mode, and please allow dr.fone to download the firmware to your smartphone.

Step 5. Once the firmware is downloaded, dr.fone will start to perform Android repair to fix the “Android App Not Installed” error.

Fix Android App Not Installed with dr.fone

Solution #2 – Clearing Your Storage

Keeping your storage clear of unnecessary or junk files is always good. Not only will it minimize the number of errors that you experience, but it will also make more space for important data.

Go to “Settings > Application Manager” and see which apps are filling the most storage on your device.

Focus on the apps which are the heaviest and either select “Uninstall” or, if the app data is the problem, tap “Clear data“. You might find that your games are the problem, so if you stop enjoying an Android game be sure to delete it.

Fix Android App Not Installed via Uninstall apps

Solution #3 – Only Download Apps from the Google Play Store

It should be a rare occurrence to download apps outside of the Google Play Store. Every once in a while, you might want to download an APK that isn’t available in your region, for example. This is fine to do but try not to make it a regular thing, as it could result in the Android app not being installed.

Similarly, downloading an app from a third-party source is risky because the APK could have a virus that will infect your device. Ultimately, it’s best to stick to the Play Store.

Fix Android App Not Installed via re-download app from google play store

Solution #4 – Don’t Change the Install Location

Android applications, when installed, will give you the opportunity to choose the install location. It’s advisable to leave the install location as the default selection rather than changing it. If you change the location, then errors may occur, and the app may not run properly.

Solution #5 – Allow the Requested Permissions

Every Android app requires specific permissions to function properly. Thus, whenever you install an app, you’ll see a permissions request. If you don’t want to allow these permissions, then you won’t be able to use the app.

If having insufficient permissions is why the Android app is not installed, then you may have accidentally tapped the wrong option. To check what permissions an Android app has, go to “Settings > Apps” and tap on the specific app. From here, you’ll be able to tap on “Reset application permissions” and make sure that everything is correct.

Again, please understand the risks that come with giving an app some system permissions. For example, you should never allow root permissions. This permission gives the app full control of your device, and in most cases, this will be used against you.

Solution #6 – Turn Your Device Off and On

Restarting your device is always worth a shot. This will reload the Android system, and if the error results from a system problem, a restart will fix it.

To restart an Android device, you have to hold the Power key until a menu appears. Tap “Restart,” and your device will have completely rebooted in no time at all.

Fix Android App Not Installed via Restart Phone

It’s worth mentioning that you should restart your phone or tablet every so often. Doing this won’t just reload the Android OS, but it can also lessen the stress put on the device’s hardware.

Solution #7 – Factory Reset

Finally, a factory reset might be in order. If you don’t yield successful results from any of the other fixes, then factory resetting Is worth considering. Follow the simple steps below to factory reset your Android device.

#1 – Open the “Settings” app and swipe down to “Backup & Reset.”

#2 – Tap the “Factory data reset.”

#3 – Next, tap “Reset phone > Erase everything.”

#4 – If you have a password, you must enter it now.

#5 – The factory reset will take about 5 minutes, and once it’s complete, you can attempt to install your app.

This will wipe all of your personal data, so please take a backup using Google Drive. Alternatively, use dr.fone – Android Transfer, as previously mentioned, for the best results.

To Conclude

After trying each of these solutions, you should be left with a working application. As frustrating as Android errors like “Android app not installed” are, they’re not too hard to fix.

Remember that regardless of what you do in an attempt to fix the Android error, you should always take a backup. Data loss will add to the stress, and for that reason, we highly recommend dr.fone – Android System Repair.

This program’s features include repairing your Android System issues & managing your Android data as easily as possible; you won’t regret using it!

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