have to enter a PIN (Personal Identity
Number).
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 unauthorized 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.
More Features 63
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