a security code, for example your PIN, you have to confirm the new code. See SIM card lock on page 64.
No netw. coverageYour phone is in flight mode. See Flight mode on page 6.Your phone is not receiving any network signal, or the received signal is too weak. Contact your network operator and make sure that the network has coverage where you are.
The SIM card is not working properly. Insert your SIM card in another phone. If this works, it is probably your phone that is causing the problem. Please contact the nearest Sony Ericsson service location.
Emerg. calls onlyYou 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. See Emergency calls on page 17.
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You entered your personal unblocking key code (PUK) incorrectly 10 times in a row.
Charging, alien batteryThe battery that you are using is notaSonyTroubleshooting 69
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