User's Guide Part 1

To change the phone lock code
1
Select Menu > Settings > General > Security > Phone
protection > Change code.
2
Enter the old code and select OK.
3
Enter the new code and select OK.
4
Repeat the new code and select OK.
To turn off phone lock protection
1
Select Menu > Settings > General > Security > Phone
protection > Protection > Off.
2
Enter your phone lock code and select OK.
Troubleshooting
Some problems require you to call your network operator,
but you can correct most problems yourself. Remove the
SIM card before handing your phone in for repair. For more
support, go to www.sonyericsson.com/support.
Restart your phone every day to free memory. Do a
Master reset if you are having problems with memory
capacity or if the phone is working slowly.
Master reset
If you experience problems with your phone, such as screen
flickering, screen freezing or navigation problems, you
should reset the phone.
To reset the phone
Select Menu > Settings > General > Master reset and
select an option.
Reset settings resets all changes that you have made
in your phone to default. Reset all deletes all user data
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