Note: if this instruction is different from your phone. Find instructions in Google search for your phone.
To enable USB DEBUGGING on any android Smartphone. First, you need to go into phone ‘settings’.
Then ‘About phone’.
In about phone .. look for the ‘software information’.
In Software information. Tap on the build number 8 times. phone will show a message ‘now you are developer’.
Then go back to phone settings .. then find the ‘developer options’.
In Developer options .. find the USB DEBUGGING option and enable this.
That’s it. You have successfully enabled the android phone’s usb debugging.