My phone cannot connect to a network or “No service” is displayed

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

Try connecting at a later time if the network is overloaded

My phone cannot connect to the Internet

Check that the IMEI number (press *#06#) is the same as the one printed on your warranty card or box

Make sure that the internet access service of your SIM card is available

Check your phone's Internet connecting settings

Make sure you are in a place with network coverage

Try connecting at a later time or another location

Invalid SIM card

Make sure the SIM card has been correctly inserted

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 touch

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 flight 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 flight 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

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The sound quality of the calls is poor

You can adjust the volume during a call by pressing the Volume 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 voice mail

Contact your network operator to check service availability

I cannot access my voice mail

Make sure your operator’s voice mail number is correctly entered in “My numbers

Try later if the network is busy

I am unable to send and receive MMS

Check your phone memory availability as it might be full

Contact your network operator to check service availability and check MMS parameters

Verify the server centre number or your MMS profile with your operator

The server centre may be swamped, try again later

SIM card PIN locked

Contact your network operator to obtain the PUK code (Personal Unblocking Key)

I am unable to connect my phone to my computer

Install ALCATEL ONE TOUCH Android Manager first of all

Check that your USB driver is installed properly

Open the Notification panel to check if the Android Manager Agent has activated

Check that you have ticked the checkbox of USB debugging in

Settings\Applications\Development\USB debugging

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Alcatel ONE TOUCH 903/903D manual My phone cannot connect to the Internet, Invalid SIM card, Unable to make outgoing calls