Steps How to do :-
1. Go to Settings > About phone. Slide down to get About Phone its last option in Every phone.
2. Now Go to About phone then slide down and Find "Build Number". Tap on Build number 7 times. If you got success a pop up will come with message " You are developer Now".
3. Now Go to Settings slide down You ll find your "Developer option" there.
4. Now Go to Developer Option Find Usb Debugging enable this by Tap on it.
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