From the Settings app, scroll to System.
Tap System.
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.
Swipe from the left or right edge of the screen to go back.
Swipe from the left or right edge of the screen to go back.
Tap Developer options.
Scroll to USB debugging.
Tap or slide the USB debugging switch to ON.
Tap OK.
You've completed the steps!
