Sony T310UG Manual page 72

To turn the SIM card lock on or off
1. Scroll to Settings,
YES
, Protection, .
YES YES
2. Select On or Off, and press
3. Enter your PIN and press
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. You can 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.
Note: The phone lock code must be entered to use
Master reset. See "Master reset" on page 24 for more
information.
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
72 Security
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, Locks, , SIM lock,
YES
YES .
.
YES
to use your phone.
YES
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,
YES
Change code, .
YES
Note: It is important that you remember your new
code. If you should forget it, you will have to bring
the phone in to your local Sony Ericsson retailer.
To set the phone lock
1. Scroll to Settings,
YES
Protection, .
YES
2. Select an alternative and press
3. Enter the phone lock code and press
, Locks, , Phone lock,
YES
, Locks, , Phone lock,
YES
.
YES
.
YES
,
YES
,
YES