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To change the phone lock code
1
Select Menu > Settings > General >
Security > Locks > Phone protection >
Change code.
2
Enter the old code and select OK.
3
Enter the new code and select OK.
4
Repeat the code and select OK.
Keypad lock
You can set this lock to avoid
accidental dialling. Incoming calls can
be answered without unlocking the
keypad.
Calls to the international emergency
number 112 can still be made.
To use the automatic keylock
1
Select Menu > Settings > General >
Security > Automatic keylock.
2
Select an option.
To unlock the keypad manually
•
From standby press any key and select
Unlock > OK.
IMEI number
Keep a copy of your IMEI (International
Mobile Equipment Identity) number in
case your phone is stolen.
To view your IMEI number
•
Press
, , , , .
Troubleshooting
Some problems can be fixed using
Update Service. Using Update Service
on regular basis will optimize the
phone’s performance. See Update
Service on page 59.
Some problems will require you to call
your network operator.
For more support go to
www.sonyericsson.com/support.
Common questions
I have problems with memory
capacity or the phone is working
slowly
Restart your phone every day to free
memory or do a Master reset.
Master reset
If you select Reset settings, the
changes that you have made to
settings will be deleted.
If you select Reset all, your settings and
content, such as contacts, messages,
pictures, sounds and downloaded
games, will be deleted. You may also
lose content that was in the phone at
purchase.
Troubleshooting 67
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