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Invalid SIM card
• Make sure that the SIM card has been correctly
inserted.
• Make sure that the chip on your SIM card is not
damaged.
• Make sure that the service of your SIM card is
available.
My phone can’t make outgoing calls
• Make sure that you have dialed a valid number
and have touched .
• For international calls, check the country and
area codes.
• Make sure that your phone is connected to a
network, and the network is not overloaded or
unavailable.
• Check your subscription status with your opera-
tor (credit, SIM card valid, etc.).
• Make sure that you have not barred outgoing
calls.
• Make sure that your phone is not in aeroplane
mode.
My phone can’t receive incoming calls
• Make sure that your phone is switched on and
connected to a network (check for overloaded or
unavailable network).
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