No Netw. coverage on Sony Ericsson K790a

Listed here are some out of coverage area issues.

Possible cause 1: Your phone is in flight mode.

Solution: Restart the phone in normal mode with full functionality.To view flight board menu options > Settings > scroll to the General tab > Setup Wizard and select an option.

Possible cause 2: 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 3: The SIM card is not working properly.

Solution: Insert your SIM card in another phone. If you still get the same response then contact your service provider.

Possible cause: The phone is not working properly.

Solution: Insert your SIM card in another phone. If this works then it is probably the phone that’s causing the problem. Please contact the nearest Sony Ericsson service center.

Emergency calls only:

 Possible cause: You are within range of a network but you are not allowed to use it. However in an emergency some networks 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.

To use this facility enter the emergency no 112 and > Call

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