Sony Ericsson T237s Cell Phone User Manual


 
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62 Security
Synchronization
You can synchronize the calendar and phonebook
in your phone with similar programs in a PC. After
installing the synchronization program from the Sony
Ericsson Web site, www.SonyEricsson.com/support,
you can synchronize your phone with your PC via
a cable.
A status bar shows the progress of the synchronization.
For more information, refer to the synchronization
software online help.
Security
SIM card lock
The SIM card lock protects your subscription, but not
your phone itself, from unauthorized use. If you change
SIM cards, the phone still works with the new SIM card.
To unblock your SIM card
1. PIN blocked. appears.
2. Enter your PUK and press
YES.
3. Enter a new four- to eight-digit PIN and press
YES.
4. Re-enter the new PIN to confirm and press
YES.
Note: Your PUK is provided by your network operator.
To edit your PIN
Scroll to Settings,
YES, Locks, YES, SIM Lock, YES,
Change PIN.
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.