If the on-device installation fails, use ADB (Android Debug Bridge) from a computer.
The next person to face this challenge was a young gamer who had been trying to download a popular game. He scoffed at the idea of manually installing an APK file, claiming he had done it many times before on his old phone. Alex listened attentively as the gamer recounted his experiences, trying to troubleshoot the issue. If the on-device installation fails, use ADB (Android
"Open file manager and complete midiag.apk installation. then try again" If the on-device installation fails