Sony T310 Cell Phone User Manual


 
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72 Security
To turn the SIM card lock on or off
1. Scroll to Settings,
YES, Locks, YES, SIM lock,
YES, Protection, YES.
2. Select On or Off, and press
YES.
3. Enter your PIN and press
YES.
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
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,
YES, Locks, YES, Phone lock, 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, Locks, YES, Phone lock, YES,
Protection,
YES.
2. Select an alternative and press
YES.
3. Enter the phone lock code and press
YES.