How Do I Install an APK App Not Installed?

APK, APK Installations

If you have ever tried to install an APK file on your Android phone and received the error message “App not installed,” you may be wondering what went wrong. An APK, or Android Package Kit, is the file format used for installing applications on Android devices.

Sometimes when you try to install an APK file, the installation fails and you get an error message. This can be frustrating, but there are several reasons why this might happen and several solutions that can help.

Reasons Why You Can’t Install an APK

There are several reasons why you might not be able to install an APK on your Android device. Some of the most common reasons include:

  • The app is not compatible with your device’s operating system.
  • The app requires certain permissions that your device does not support.
  • Your device’s security settings are preventing the app from being installed.
  • The APK file is corrupted or incomplete.

If you encounter any of these issues, don’t panic. There are ways to work around these problems and still get your desired application installed.

Solutions to Installing an APK File

Allowing Apps from Unknown Sources

The first solution is to enable “Unknown Sources” in the settings of your device. By default, Android devices do not allow installation of apps from third-party sources other than the Google Play Store. However, enabling this option allows you to install apps from outside of Google Play.

To enable “Unknown Sources,” follow these steps:

  1. Go to Settings > Security on your Android device.
  2. Scroll down and find “Unknown sources.”
  3. Toggle the switch next to it so that it turns blue or green.

Now that “Unknown sources” has been enabled, you can try to install the APK file again. If you still get an error message, try the next solution.

Clearing the Cache and Data of Google Play Store

If you’re still unable to install the APK file after enabling “Unknown Sources,” try clearing the cache and data of Google Play Store.

To clear the cache and data of Google Play Store, follow these steps:

  1. Go to Settings > Apps on your Android device.
  2. Find and tap on “Google Play Store. “
  3. Tap on “Storage.

  4. Select “Clear cache” and then “Clear data. “

Now try to install the APK file again. If it still doesn’t work, move on to the next solution.

Using a Different APK File

If the previous solutions did not work, there might be an issue with the APK file itself. Try downloading a different version of the app from a trusted source and see if it installs correctly.


In conclusion, if you encounter issues while installing an APK file, don’t worry – there are several solutions available to help you install your desired app. Enabling “Unknown Sources,” clearing cache and data of Google Play Store, or using a different APK file are all viable options to resolve this problem. By following these steps, you should be able to successfully install any app that you want on your Android device.