User's Manual

8
Phone Lock
The phone lock function protects your phone from unauthorized use.
The default phone lock code is 0000. You can change it into any
numeric string of 4 digits.
If the phone lock function is enabled, you need to enter the correct
phone lock code when the phone is powered on or in standby mode.
PIN and PUK
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.
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.
Changing the Text Input Modes
The indicator of the current text input mode is displayed on the
screen. In the editing mode, press
to change the input mode.