Alcatel onetouch 990A Quick Start Manual page 20

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Troubleshooting...................
Before contacting the aftersales department, you are advised to
follow the instructions below:
You are advised to switch off the cellphone from time to time to
maintain optimal performance.
You are advised to fully charge (
operation.
Avoid storing large amounts of data in your cellphone as this may
affect the performance of your cellphone.
and carry out the following checks:
My cellphone can 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 cellphone back on
My cellphone has not responded for several minutes
Press the
key
Remove the battery and re-insert it, then switch the cellphone
back on
My cellphone turns off by itself
Check that your keypad is locked when you are not using your
cellphone
Check the battery charge level
My cellphone will not charge properly
Make sure you are using an Alcatel battery and charger provided
in the box
Make sure your battery is inserted. It must be inserted before
plugging in the charger
Make sure that your battery is not completely discharged; If the
battery is flat, it may take around 20 minutes to display the battery
charger indicator on the screen
Make sure charging is carried out under normal conditions
(0°C (32 °F) +40°C (104 °F))
When abroad, check that the electrical current is compatible
38
IP3514_990A_990S_QG_Eng_USA_07_110527.indd 38-39
IP3514_990A_990S_QG_Eng_USA_07_110527.indd 38-39
) the battery for optimal
My cellphone can 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
Try connecting at a later time if the network is overloaded
SIM card error
Make sure the SIM card has been correctly inserted
Verify with your operator that your SIM card is 3V, 1.8V
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 cellphone 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
Unable to receive incoming calls
Make sure your cellphone 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
The caller's name or 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 number
I cannot find my contacts
Make sure your SIM card is correctly inserted
Import all contacts stored in SIM card to cellphone
The sound quality of the calls is not optimal
You can adjust the volume during a call by means of the Volume key
Check the signal strength level
key
39
2011-5-27 Jerry 16:56:38
2011-5-27 Jerry 16:56:38

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