Connect the device to a host computer using a USB-C cable.
When transferring files or debugging, ensure only one USB connection to the device exists. For example, do not dock the device or attach an expansion back if using a USB cable.
Go to
Settings
.
Touch
System
Developer options
.
Slide the
USB debugging
switch to the
ON
position.
If the device and host computer are connected for the first time, the
Allow USB debugging?
dialog box with the
Always allow from this computer
checkbox displays. Select the checkbox, if required.
Touch
USB debugging
. A check displays in the checkbox. The
Allow USB debugging?
dialog box displays.
Press
Enter
or
Power
to select.
Touch
OK
.
Touch
OK
or
Allow
.
Press
Enter
.
The System Recovery screen displays on the device.