17
Turn on your device for first
time
1
Press and hold [
] to turn on your device.
2
Follow the on-screen instructions. Your device will
automatically connect to the cellular network.
Activate Sleep mode
You can activate Sleep mode to save power when
you do not use your device.
To activate Sleep mode, press [ ]. Your device will
turn off the screen. To deactivate Sleep mode, press
[ ] again.
Lock external keys and touch screen
You can lock the external keys and the touch screen
to prevent any unwanted device operations from
accidentally pressing any of the keys and the screen.
To lock the keys and the screen, press and hold [ ].
To unlock, press and hold [ ] again.
You can also tap
Start
>
Lock
. To unlock, slide the
lock icon to the left or right.