Sony T310 - Manual (Page 72)

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72 Security
To turn the SIM card lock on or off
1. Scroll to Settings, YES , Locks, YES , SIM lock,
YES , Protection, YES .
2. Select On or Off, and press YES .
3. Enter your PIN and press YES .
Phone lock
The phone lock protects the phone against
unauthorized use if it is stolen and the SIM card is
exchanged. It is not on when you buy the phone. You
can change the phone lock code (0000) to any four-
to eight-digit personal code. The phone lock can be set
to on, automatic or off.
Note: The phone lock code must be entered to use
Master reset. See “Master reset” on page 24 for more
information.
Phone lock on
If the phone lock is on, the message Phone locked
appears each time you turn on the phone. You have to
enter your code followed by
YES to use your phone.
Automatic
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.
To edit your phone lock code
• Scroll to Settings, YES , Locks, YES , Phone lock, YES ,
Change code, YES .
Note: It is important that you remember your new
code. If you should forget it, you have to hand in your
phone to your local Sony Ericsson retailer.
To set the phone lock
1. Scroll to Settings, YES , Locks, YES , Phone lock, YES ,
Protection, YES .
2. Select an alternative and press YES .
3. Enter the phone lock code and press YES .