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If you enter incorrect PUKs for a specified number of times
consecutively, the SIM card becomes permanently invalid. In
this case, contact your service provider for a new SIM card.
Locking the Screen
To lock the screen, press in standby mode. To unlock the
screen, press any key to turn on the backlight, and then slide
to .
If the auto screen lock function is enabled and the phone is in
standby mode for a preset period, the phone locks the screen
automatically.
To enable the auto screen lock function, tap
and then
select Settings > Security settings > Auto keypad lock, and
then select the desired duration.
When the keypad is locked, select Answer to answer a
call, or shortly press
or to reject a call.
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