Sony Ericsson K790i User Manual page 82

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 service provider
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
service provider.
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.
82 Troubleshooting
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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 service providers allow you to
call the international emergency
number 112.
Solution: You have to move to get a
signal that is strong enough. Contact
your service provider and make sure
you have the right subscription
%
20 Emergency Calls.
Phone Lock
Possible cause: The phone is locked.
Solution: To unlock the phone
%
76 Phone Lock.
Phone lock code:
Possible cause: The phone lock code
is required.
Solution: Enter a phone lock code.
Your phone has a default phone
%
lock code 0000 76 Phone Lock.