How can I turn on USB debugging?

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.