Invalid SIM card
•Make sure the SIM card has been correctly inserted (see "Inserting or removing the SIM card").
•Make sure the chip on your SIM card is not damaged or scratched.
•Make sure the service of your SIM card is available.
Unable to make outgoing calls
•Make sure you have dialed a valid number and have touched Call.
•For international calls, check the country and area codes.
•Make sure your phone is connected to a network, and 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.
•Make sure that your phone is not in airplane mode.
Unable to receive incoming calls
•Make sure your 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.
•Make sure that you have not barred certain calls.
•Make sure that your phone is not in airplane mode.
The caller’s name/number 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 name or number.
I cannot find my contacts
•Make sure your SIM card is not broken.
•Make sure your SIM card is inserted properly.
•Import all contacts stored in SIM card to phone.
The sound quality of the calls is poor
•You can adjust the volume during a call by pressing the Volume Up/ Down key.
•Check the network strength 
.
•Make sure that the receiver, connector or speaker on your phone is clean.
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 ONE TOUCH accessory.
When I select a number from my contacts, the number cannot be dialed
•Make sure that you have correctly recorded the number in your file.
•Make sure that you have selected the country prefix when calling a foreign country.
I am unable to add a contact in my contacts
•Make sure that your SIM card contacts are not full; delete some files or save the files in the phone contacts (i.e. your professional or personal directories).
My callers are unable to leave messages on my voicemail
•Contact your network operator to check service availability.
I cannot access my voicemail
•Make sure your operator’s voicemail number is correctly entered in "Voicemail number".
•Try later if the network is busy.
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