To turn on the USB debugging, you can use the following steps.
a) Go to “Menu” -> “Settings” -> “Wi-Fi”-> “Device Wi-Fi MAC address”.
b) Touch the “Device Wi-Fi MAC address” no less than 8 times, and enter the password “147” to turn on the developer mode.
c) Go back to “Settings” again, go to “System”; you will now find the “Developer options”.
d) Turn on “USB debugging” option.