Sony Ericsson S312 Cell Phone User Manual


 
37
Troubleshooting
Some problems require you to call your network operator. For
more support go to www.sonyericsson.com/support.
Master reset
If you experience problems with your phone, such as screen
flickering, screen freezing or navigation problems, you should
reset the phone. If you select Reset all, all user data such as
contacts, messages, pictures and sounds are deleted.
To reset all settings
From standby select Menu > Settings > the General tab
> Reset all > Cont. > Cont.
Error messages
PIN blocked
You have entered your PIN code incorrectly three times in a row.
Your SIM is now locked. Unlock your SIM with your PUK code,
which is provided together with your PIN code by your network
operator.
To unlock the SIM card
1 Enter your PUK code and select OK.
2 Enter a new PIN and select OK.
3 Re-enter the new PIN and select OK.
Insert SIM
There is no SIM card in your phone or you may have inserted
it incorrectly. Try one or more of the following:
Remove the SIM card and insert it correctly.
Clean the connectors on the SIM card and phone with a soft
brush, a cloth or a cotton bud.
This is the Internet version of the User guide. © Print only for private use.