Keypad lock (keyguard)
To lock: Move the lock switch on top of the device next to
the power key, to the left. When you move the switch
when the slide cover is closed, all the keys are locked.When
you open the slide cover, all the keys are active.
To unlock: Move the switch to the right.
When the keypad lock is on, calls still may be possible to
the official emergency number programmed into your
device. Enter the emergency number, and press
.