Sony Ericsson Z710I User Manual page 87

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
81 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.
%
81 SIM card lock.
This is the Internet version of the user's guide. © Print only for private use.
%
81 SIM card
No Nwk 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.
Insert SIM.
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.
Troubleshooting 87