Phantom Blue Note USB debugging how to open? The Charm Blue Note opens the USB debugging step detailed explanation

Method One:

Click "Settings" on your phone to see that there is a "help setting"-"Developer Tools", and then directly find the USB debug mode on it, which is much simpler than the Android system, as shown in the following illustration.

Method Two:

Enter the phone interface directly input "*#* #6961 #*#", access to the USB interface, we click on to open.

Method Three:

Note and the computer connected to the boot on the top of the notice bar down there will be a "connected USB device", click to enter after the USB debugging can be opened, as shown in the following figure:

The method is very simple and generally more convenient than the USB on the Android system.