Steps to Enable USB debugging mode on the Galaxy M51 Again, you will need to unlock the Developer Options menu beforehand.

If you wish to copy newly programmed apps to your device to test via USB, enable USB debugging on Galaxy A20. USB debugging on Samsung android devices is a developer mode that allows the device to ...

What Is USB debugging? Debug mode allows users to access the inner workings of their Android device on a computer via a USB connection.

Enable ‘USB Debugging’ Next, back out one level to head to the main Settings menu again. Near the bottom of this screen, select the “Developer options” entry that you just unlocked.

Plug your Android device into your desktop or laptop. You should see a popup on the display asking if you want to allow USB debugging for the device (Figure B).