Why can't I open APK files on my phone?

Go to the FILE MANAGER, then there into your DOWNLOAD HISTORY respectively the FOLDER where you saved the .apk file. Then tap the .apk file to open it.

In most of the cases, the Android hardware throws this error when trying to install the APK from Downloads folder. Try opening any File explorer ...

For devices running Android 4.0 or above, go to Settings > Security or Settings > Security & Screen Lock and then check the box next to Unknown Sources ...

you can try these : allow unknown sources from the security tab; make sure your file extension is apk; make sure your file is not damaged ...

You must be installing the debug build of your app on other devices. For installing your app on other devices, you've to build a release ...

Clear Cache: Sometimes, clearing the cache of the app responsible for handling APK installations can resolve the issue. Go to your device's ...

Check if you have enough storage space. · Check the app's download page to see if it's compatible to your phone's hardware/specifications. · If ...

Make sure you have Install Unknown Apps allowed in your security settings. Try using a file manager to install the APK.

Go into settings/application manager/ and trigger the menu option to reset app preferences. When you attempt to open a apk make sure you select ...

You have to open Settings on your Android and go to Security. There, click on the “allow unknown sources” option and check the box to warn you if the APK ...