How to enable USB debugging on Android KitKat and Jelly Bean (4.2 and later)
1. Navigate
to Settings > About Phone > scroll to the bottom > tap Build number
seven (7) times. You'll get a short pop-up in the lower area of your display
saying that you're now a developer.
2. Go
back and now access the Developer options menu, check ‘USB debugging’ and click
OK on the prompt.
That’s it, you’re done!
You can now enable and disable it whenever you
want by going into Settings > Developer Options > Debugging > USB
debugging
How to enable USB debugging on Android 4.1 and 4.0
1. Navigate
to Settings > Developer options and enable them.
2. Once
you have enabled developer options, you will be able to check the USB Debugging
field. Simply scroll down to it and check it - a pop-up window will notify you
that you’re now a developer.
That’s all it takes!
How to enable USB debugging on Android 2.3 Gingerbread and earlier
Navigate to Settings > Applications >
Development > USB Debugging
Enable it - its simple as that!
