Open File Manager And Complete Midiag.apk Installation. Then Try Again -

If you tap the APK and get an "App Not Installed" message, it usually means:

If you don’t have a file manager installed, download a reliable one from the Google Play Store (e.g., Files by Google , Solid Explorer , or even the stock “My Files” app on Samsung phones). If you tap the APK and get an

Hit Install , wait for the "App installed" message, and then try your previous action again. Files by Google