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My mobile phone is not connected to a network
•Try connecting in another location
•Verify the network coverage with your operator
•Check with your operator that your SIM card is valid
•Try selecting the available network(s) manually (see page 45)
•Try connecting at a later time if the network is overloaded
SIM card error
•Make sure the SIM card was correctly inserted (see page 12)
•Make sure the chip on your SIM card is not damaged or scratched
Unable to make calls
•Make sure you have dialled a valid number and press the 
key
•For international calls, check the country and area codes
•Make sure your mobile phone is connected to a network, and that the network is not overloaded or unavailable
•Check your subscription with your operator (credit, SIM card valid, etc.)
•Make sure you have not barred outgoing calls (see page 42)
Unable to receive calls
•Make sure your mobile phone is switched on and connected to a network (check for overloaded or unavailable network)
•Check your subscription with your operator (SIM card validity)
•Make sure you have not forwarded incoming calls (see page 40)
•Make sure that you have not barred certain calls
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