Connect the device to a host computer using a USB-C cable.
When transferring files or debugging, make sure there is only one USB connection to the device. For example, if using a USB cable, do not dock the device or attach an expansion back.
Go to
Settings
.
Touch
System
Advanced
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
check box displays. Select the check box, if required.
Touch
OK
.
On the host computer, navigate to the
platform-tools
folder and open a command prompt window.
Type
adb devices
.
If the device number does not appear, ensure that the ADB drivers are installed properly.
Type
adb reboot recovery
.
Press
Enter
.
The System Update installs (progress appears as a percentage in the Command Prompt window) and then the System Recovery screen appears on the device.
Press
Volume Up
and
Volume Down
to navigate to
Apply upgrade from ADB
.
Press
Enter
.
The System Recovery screen appears on the device.
Press
Power
.
On the host computer command prompt window type
adb sideload <file>
.
where: <file> = the path and filename of the zip file.
Press
Enter
.
The System Update installs (progress appears as a percentage in the Command Prompt window) and then the System Recovery screen appears on the device.
