If you enter your PIN incorrectly three times in a row, the SIM card is blocked and you need to enter your PUK (Personal Unblocking Key). Your PIN and PUK are supplied by your network operator.

To unblock the SIM card

1When PIN blocked appears, enter your PUK and select OK.

2Enter a new four-to-eight-digit PIN and select OK.

3Re-enter the new PIN and select OK.

To edit the PIN

1From standby select Menu > Settings

>the General tab > Security > Locks

>SIM protection > Change PIN.

2Enter your PIN and select OK.

3Enter a new four-to-eight-digit PIN and select OK.

4Re-enter the new PIN and select OK.

If Codes do not match appears, you entered the new PIN incorrectly.

If Wrong PIN appears, followed by Old PIN:, you entered your old PIN incorrectly.

To use the SIM card lock

1From standby select Menu > Settings

>the General tab > Security > Locks

>SIM protection > Protection.

2Select an option.

3Enter your PIN and select OK.

Phone lock

You can stop unauthorised use of your phone. Change the phone lock code (0000) to any four-to-eight-digit personal code.

It is important that you remember your new code. If you forget it, you have to take your phone to your local

Sony Ericsson retailer.

To use the phone lock

1From standby select Menu > Settings

>the General tab > Security > Locks

>Phone protection > Protection.

2Select an option.

3Enter the phone lock code and select OK.

To unlock the phone

•Enter your code and select OK.

To change the phone lock code

1From standby select Menu > Settings

>the General tab > Security > Locks

>Phone protection > Change code.

2Enter the old code and select OK.

3 Enter the new code and select OK.

4 Repeat the code and select OK.

60More features

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