From the Home screen, swipe up to view your apps.
Tap Settings
Scroll to About phone.
Tap About phone.
Tap Software information.
Tap Build number seven times.
You may be prompted to enter your device PIN or password. When Developer options has been enabled successfully, you will see a message at the bottom of the screen which states Developer mode has been enabled.
Tap the Back icon.
Tap the Back icon again.
Scroll to Developer options.
Tap Developer options.
Scroll to USB debugging.
Tap or slide the USB debugging switch to ON.
Tap OK.
You've completed the steps!
