9
11 PIN and PUK
Contact the network operator whether a UIM card is needed.
The personal identity number (PIN) protects your UIM card from
unauthorized use. The PIN unlocking key (PUK) can unblock the
blocked PIN. Both PIN and PUK are delivered with the UIM card.
For details, consult your service provider.
If you enter wrong PINs for a specified number of times
consecutively, the phone asks you to enter the PUK code.
If you enter wrong PUKs for a specified number of times
consecutively, the UIM card is invalidated permanently. Contact your
service provider for a new card.
12 Locking the Keypad
In the standby mode, press and hold
to lock the keypad.
When the keypad is locked, you can still answer an incoming call or
make emergency calls by pressing
.
You can press
and to unlock the keypad.
When the Keyguard function is enabled, if there is no operation on
the phone for a preset period in the standby mode, the keypad is
locked automatically.
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