Alcatel Carrier Internetworking Solutions One Touch 757 - Manual (Page 48)

My mobile phone does 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 53)
• Try connecting at a later time if the network is overloaded
SIM card error
• Make sure the SIM card was correctly inserted (see page 13)
• 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 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 23)
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 with your operator (credit, SIM card valid, etc.)
• Make sure you have not forwarded incoming calls (see page 23)
• 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 key
• 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
• Check to be sure this feature does not require an Alcatel accessory.
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Troubleshooting ..........................................
Before contacting the after-sales service, we advise you to perform the following checks:
My mobile phone does not switch on
• Press until the screen comes on
• Check the battery charge level
• Check the battery contacts, remove and reinstall your battery, then turn your telephone back on
My phone does not respond since several minutes
• Press the key
• Remove the battery and re-insert it, then switch the phone back on
My screen is difficult to read
• Clean your screen
• Activate the backlighting
• Use your mobile phone in accordance with the recommended conditions of use
My mobile phone turns off by itself
• Check that your keypad is locked when you are not using your mobile phone
• Check the battery charge level
• Make sure the backlighting is not permanently activated
My mobile phone has a low level of autonomy
• Make sure that the battery saver mode is activated
• Make sure you respected the complete charge timing (minimum 3 hours)
• After a partial charge, the battery level indicator may not be exact. Wait for 20 minutes minimum after you remove the
charger to obtain an exact indication
My mobile phone does not charge properly
• Make sure that your battery is not completely discharged; the battery charge indicator can take several minutes and may
be accompanied by a quiet whistling sound
• Make sure charging is carried out under normal conditions (0°C +40°C)
• Make sure your battery is inserted. It must be inserted before plugging in the charger
• Make sure you are using an Alcatel battery and charger
• When abroad, check that the electrical current is compatible
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