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70 Troubleshooting
To use the automatic keylock
1 From standby select Menu > Settings
> the General tab > 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
• From standby press , , ,
, .
Troubleshooting
Some problems will require you to call
your network operator.
For more support go to
www.sonyericsson.com/cn.
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, in addition to
your changes to settings, all contacts,
messages, personal data, and content
that you have downloaded, received
or edited will also be deleted.
To reset the phone
1 From standby select Menu > Settings
> the General tab > Master reset.
2 Select an option.
3 Follow the instructions that appear.
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