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84
Troubleshooting
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.
% 5 To 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 in a way that
may prevent connection to the phone connectors.
In that case, contact your network operator for a
new SIM card.
Insert correct SIM card
Possible cause: The phone is set to work only with
certain SIM cards.
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.
% 78 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,
% 78 SIM card 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.
% 78 SIM card lock.
No netw. coverage
Possible cause: Your phone is not receiving any
radio signal, or the received signal is too weak.
Solution: Contact your network operator and make
sure that the network has coverage where you are.
If so, try to do a new search.
Possible cause: The SIM card is not working
properly.
Solution: Insert your SIM card in another phone.
If you still get the same or a similar message, please
contact your network operator.
Possible cause: The phone is not working properly.
Solution: Insert your SIM card in another phone. If
this works, it is probably the phone that is causing
the problem. Please contact the nearest
Sony Ericsson service location.