■ Lock the keypad
To lock the keypad to prevent keys from being pressed accidentally, in the standby mode, select
Menu
, and press * quickly; to unlock, select
Unlock
, and press * quickly.
When the keypad lock is on, calls may be possible to the official emergency number programmed into your 
device. 
Enter the emergency number, and press the call key. The emergency number you have entered 
may not be displayed on the screen.
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