Sony Ericsson J120c User Manual page 48

Phone lock
The phone lock protects the phone against unauthorized
use if it is stolen and the SIM card is exchanged. You can
change the phone lock code (which is 0000 by default) to
any four-digit personal code.
Automatic phone lock
If the phone lock is set to Automatic, you do not need to
enter your phone lock code until a different SIM card is
inserted in the phone.
It is important that you remember your code. If you
should forget it, you have to hand in your phone to
your local Sony Ericsson retailer.
To turn the phone lock on
1 From standby select
} Security } Phone lock } Protection }
2 Enter the phone lock code and select OK.
To edit your phone lock code
1 From standby select
} Security } Phone lock } Change
2 Enter the current code and select OK.
3 Enter a new code and select OK.
4 Re-enter the new code to confirm and select OK.
To unlock the phone
1 From standby select
} Security } Phone lock } Protection }
2 Enter your phone lock code and select OK.
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Menu } Settings } Advanced
Menu } Settings } Advanced
Menu } Settings } Advanced
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