Alcatel OT-C750a User Manual page 107

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E5LIQUID_UM_USA_21-03-06
21/03/06
My mobile phone will not connect 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 59)
Try connecting at a later time if the network is overloaded
SIM card error
Make sure the SIM card has been correctly inserted (see page 15)
Verify with your operator that your SIM card is 3V compatible; the old 5V SIM cards cannot be used
Make sure the chip on your SIM card is not damaged or scratched
Unable to make outgoing calls
Make sure you have dialled a valid number and press the
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 status with your operator (credit, SIM card valid, etc.)
Make sure you have not barred outgoing calls (see page 27)
Unable to receive incoming calls
Make sure your mobile phone is switched on and connected to a network (check for overloaded or unavailable network)
Check your subscription status with your operator (credit, SIM card valid, etc.)
Make sure you have not forwarded incoming calls (see page 27)
Make sure that you have not barred certain calls
The caller's name does not appear when a call is received
Check that you have subscribed to this service with your operator
Your caller has concealed his/her number
The sound quality of the calls is not optimal
You can adjust the volume during a call by means of the
Check the radio reception icon level
I am unable to use the features described in the manual
Check with your operator to make sure that your subscription includes this service
Make sure this feature does not require an Alcatel accessory
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