Troubleshooting; Common Questions - Sony Ericsson Z770i User Manual

To unlock the phone
• Enter your code and select OK.
To change the phone lock code
1 From standby select
> the General tab >
> Phone protection
2 Enter the old code and select OK.
3 Enter the new code and select OK.
4 Repeat the code and select 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
, .
This is the Internet version of the User's guide. © Print only for private use.
Menu > Settings
Security > Locks
> Change code.
, ,

Troubleshooting

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
If you select
that you have made to settings will be
,
deleted.
If you select
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
> the General
2 Select an option.
3 Follow the instructions that appear.
Master reset.
Reset settings, the changes
Reset all, in addition to
Menu > Settings
tab > Master reset.
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