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 turn the phone lock on

1From standby select Menu > Settings > Advanced

>Security > Phone lock > Protection > On. 2 Enter the phone lock code and select OK.

To edit your phone lock code

1From standby select Menu > Settings > Advanced > Security > Phone lock > Change code.

2Enter 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.

If you forget your new code, you have to take your phone to your local Sony Ericsson retailer.

To unlock the phone

1From standby select Menu > Settings > Advanced > Security > Phone lock > Protection > Off.

2Enter your phone lock code and select OK.

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