Your phone is not receiving any radio signal, or the received signal is too weak. Contact your network operator and make sure that the network has coverage where you are. If so, search for a network.
The SIM card is not working properly. Insert your SIM card in another phone. If you still get the same or a similar message, please contact your network operator.
The phone is not working properly. 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.
You are within range of a network, but you are not allowed to use it. In an emergency, some network operators allow you to call the international emergency number 112 or 911. You have to move to get a signal that is strong enough. Contact your network operator and make sure you have the right subscription % 19 Emergency calls.
The battery that you are using is not
aSony
64Troubleshooting
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