It is strongly recommended that, prior to use, you format the microSD card on the device.
Copy the Enterprise Reset zip file to the root of the microSD card.
Copy the zip file to a microSD card using a host computer and then install the microSD card into the device. See Getting Started for more information.
Connect the device with a microSD card already installed to the host computer and copy zip file to the microSD card. See USB Communication for more information. Disconnect the device from the host computer.
Press and hold
Power
until the menu appears.
Touch
Restart
.
Press and hold
PTT
until the device vibrates.
The System Recovery screen appears.
Press
Volume Up
and
Volume Down
to navigate to
Apply upgrade from SD card
.
Press
Power
.
Press
Volume Up
and
Volume Down
to navigate to the Enterprise Reset file.
Press
Power
.
The Enterprise Reset occurs and then the device returns to the Recovery screen.
