The error of not being able to install an APK application is a very common error on Android phones. Although it does not directly affect the phone's operation. But the error that the application APK has not been installed will make users unable to use their favorite application. Below I will list the causes and specific solutions for each case.
To install the application using the APK file on the phone. You need to meet certain requirements. In particular, the operating system version plays a quite important role. If the operating system version is too old. You will not be able to install some hot applications currently.
The way to fix the application not installed error in this case is to check and update the operating system. However, not all phone models can be updated to the new operating system version.
>> Open settings > select device information > continue to select software information.
Here you can check the operating system version on your phone. If it is too old, please update if possible. To check for updates, simply select the software update section in settings. Then select download and install to check. If possible update to new version. The system will notify you, now just follow the instructions on the screen.
Different from installing the application directly from CH Play. Using APK files to install applications will have certain differences. In particular, you need to grant installation permission before the application can be installed. Here's how to fix the error of the application not being installed on Android due to lack of authorization.
Not all APK files can be installed normally on the phone. If the APK file itself is corrupted, you will not be able to install it. This situation currently has no solution. You can try finding and installing other APK files to see if it works!
Sometimes using unfamiliar software on the phone can cause the installation of the APK file to fail. In this case, it is best to remove all strange software on your phone. Then try restarting your phone and reinstalling from the beginning.
To install the application, the phone must have enough free memory space. When the memory is too full, you may receive an error that the application APK is not installed. The fix is also quite simple, you just need to delete some applications on your phone. Or delete unnecessary images and videos.
Many cases of APK file installation errors are due to the application having the same name. Specifically, when there is that application on the phone. But if you still reinstall using the APK file, an error may occur. Therefore, before installing, you can remove the old application from your phone. Then install the new application using the APK file.
Note: The instructions in this article were performed on a Samsung phone. With other phone models, operations may be slightly different.
Above is some information related to the error that the application APK has not been installed. Hopefully this information will help you quickly fix the error and install your favorite application.