81Troubleshooting
Insert correct SIM card
Possible cause: The phone is set to
only work 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
% 75 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
% 75 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.
% 75 SIM card lock.
No netw. coverage
Possible cause: Your phone is in flight
mode.
Solution: Restart the phone in normal
mode
% 7 Flight mode menu.
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, search for a network.
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.
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