Sony Ericsson Z712 User Manual page 81

To reset the phone
1 } Settings }
the
Reset.
2 } Reset Settings
3 When instructions appear
If you select
Reset All
melodies and pictures that you have
downloaded, received or edited is also
deleted.
Error messages
Insert SIM.
Possible cause: There is no SIM card
in the phone or you may have inserted
it incorrectly.
Solution: Insert a SIM card
insert SIM card and battery.
Possible cause: The SIM card
connectors need cleaning.
Solution: Remove the SIM card and
clean it. Also check that the card is not
damaged so that you cannot connect
it to the phone connectors. In that
case, contact your network operator
to ask for a new SIM card.
Insert Correct SIM Card.
Possible cause: The phone is set to
only work with certain SIM cards.
This is the Internet version of the user's guide. ©Print only for private use.
} Master
General tab
} Reset
or All.
}
Continue.
, content such as
%
5 To
Solution: Check if you are using the
correct operator SIM card for your
phone.
Wrong PIN./Wrong PIN2.
Possible cause: You have entered
your PIN or PIN2 incorrectly.
Solution: Enter the correct PIN or PIN2
%
} Yes
76 SIM card lock.
PIN Blocked/PIN2 Blocked.
Possible cause: You have entered
your PIN or PIN2 code incorrectly
three times in a row.
Solution: To unblock
lock.
Codes do not Match
Possible cause: The two codes that
you have entered do not match.
Solution: When you want to change a
security code (for example your PIN)
you have to confirm the new code by
entering exactly the same code again.
%
76 SIM card lock.
No Nwk Coverage
Possible cause: Your phone is in flight
mode.
Solution: Restart the phone in normal
%
mode 7 Flight mode menu.
Troubleshooting
%
76 SIM card
81