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PIN and PUK
The personal identification number (PIN) protects your SIM card from
unauthorized use.
If you incorrectly enter the PIN a specified number of times, the PIN
is blocked and the phone prompts you to enter the PIN unblocking
key (PUK). If this occurs, enter the PUK to unblock the blocked PIN.
If you incorrectly enter the PUK a specified number of times, the SIM
card will become permanently invalid, and you must contact your
service provider for a new SIM card.
Both the PIN and the PUK are provided with the SIM card. For details,
contact your service provider.
To enable the PIN lock:
1. Select Menu > Settings > Security settings > SIM security > PIN
lock.
2. Enter the PIN, and press (OK).
Locking and Unlocking the Keypad
To lock the keypad, press and hold in standby mode for about 3
seconds. To unlock the keypad, press
(Unlock), then
(OK).
If the Auto keypad lock function is enabled, the phone will
automatically lock the keypad after being idle in standby mode for a
pre-defined period.
To enable the Auto keypad lock function, select Menu > Settings >
Security settings > Auto keypad lock, scroll to a desired duration, and
press
(OK) to select the duration.
When the keypad is locked, you can press
to answer a
call or make an emergency call.