Sony Ericsson F305 - Manual (Page 36)

36
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.
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