Sony Ericsson D750i User Manual
Page 85
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85
Troubleshooting
Wrong PIN
/
Wrong PIN2
Possible cause: You have entered your PIN or
PIN2 incorrectly.
Solution: Enter the correct PIN or PIN2
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Yes
.
PIN blocked
/
PIN2 blocked
Possible cause: You have entered your PIN or
PIN2 code incorrectly three times in a row.
Solution: To unblock,
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.
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.
Emerg. calls only
Possible cause: You are within range of a network,
but you are not allowed to use it. However, in an
emergency, some network operators allow you to
call the international emergency number 112.
Solution: You have to move to get a signal that
is strong enough. Contact your network
operator and make sure your subscription is ok.
Phone locked
Possible cause: The phone is locked.
Solution: To unlock the phone,