Enabling USB Debugging
Click the kebab menu on the Home Screen Toolbar
In the top right corner, select Settings.
In the left sidebar, scroll down and select Advanced.
Locate USB Debugging and click Enter Admin Passcode.
Enter your admin passcode.
If you have not changed the default passcode, it is 5112.
If you changed your passcode and do not remember, here are instructions to find your Admin Passcode.
After entering the correct passcode, select Continue.
Toggle Unlocked to enable USB debugging (this toggle switch should now be green).
If your device is already connected to a computer, a prompt may appear. Select Allow to authorize USB debugging.