Enable Developer Options
Goto Settings
- Click
SettingsApp - or Swipe down the top bar, then click
Gear iconon the top right
Click System -> About Phone.
Click on Build numberabout 7 times until you see the message You are now a developer!.
Enable USB Debugging
Goto Settings.
Click System -> Developer Options.
Make sure Developer options is enabled.
Goto to Debugging section.
- Enable
Allow ADB debugging in charge only mode. - Enable
USB Debugging.
NOTE: You must enable Allow ADB debugging in charge only mode then followed by USB Debugging, else the USB Debugging enable state shall never be saved.