Sony Ericsson T637 Cell Phone User Manual


 
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78 Security
Note: If the message “Codes do not match” appears,
you entered the new PIN incorrectly. If the message
“Wrong PIN” appears, followed by “Old PIN:”, you
entered your old PIN incorrectly.
To edit your PIN2, scroll to Settings, Locks, SIM Lock,
Change PIN2.
To turn the SIM card lock on or off
1. Scroll to Settings, Locks, SIM Lock,
Protection.
2. Select On or Off.
3. Enter your PIN and press
Ok.
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.
Youcan 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.
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, Locks,
Phonelock, Change Code.
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, Locks, Phonelock, Protection.
2. Select an alternative.
3. Enter the phone lock code and press
Ok.