Sony Ericsson C902 Betriebsanweisung

62

Troubleshooting

Keypad lock 
You can set this lock to avoid 
accidental dialing. Incoming calls can 
be answered without unlocking the 
keypad.

To use the automatic key lock

1

From standby select 

>

 

the

 

 

>

 

.

2

Select an option.

To lock the keypad manually

•

From standby press 

 and select 

.

To unlock the keypad manually

•

From standby press 

 and select 

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/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 

changes 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 

 > 

 

 tab > 

2

Select an option.

3

Follow the instructions that appear.

Calls to the international emergency 
number 112 can still be made.