Security module
To access security module information
1Select Menu > Settings > Phone > Phone management > Security > Security
module.
2To view or edit a security module, if available, select the security module from the
list.
LocksSIM card lock
This lock only protects your subscription. Your phone will work with a new SIM card. If the
lock is on, you have to enter a PIN.
The PIN2 is required to access some network services, and your SIM card must support
these services.
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, PIN2 and PUK are supplied by
your network operator.
To unblock your SIM card
1When PIN blocked. Enter PUK: 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 turn on the SIM card lock
1Select Menu > Settings > Phone > Phone management > Security > Phone and
SIM card > PIN code request > On.
2Enter your PIN and select OK.
To edit your PIN
1Select Menu > Settings > Phone > Phone management > Security > Phone and
SIM card > PIN code.
2Follow the instructions to enter your old PIN once and new PIN twice.
To edit your PIN2
1Select Menu > Settings > Phone > Phone management > Security > Phone and
SIM card > PIN2 code.
2Follow the instructions to enter your old PIN2 once and new PIN2 twice.
Phone lock
You can stop unauthorised use of your phone. The default phone lock code is 0000. You
can change the phone lock code to any four-to-eight-digit personal code.
When the touch screen and keys are locked, the touch screen and the keys are inactive.
It is important that you remember your new code. If you forget it, you need to take your phone
to your local Sony Ericsson retailer.
To turn on the phone lock
1Select Menu > Settings > Phone > Phone management > Security > Phone and
SIM card > Phone autolock period > User defined.
2To automatically lock your phone when you do not use it for a defined time, tap the
text input field under Lock after (minutes): and enter the time-out period.
3Enter your phone lock code and select OK.
4To unblock the phone, press and follow the instructions that appear.
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