User's Manual

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12.Trouble shooting
If anything unusual occurs while using your mobile phone, please refer to the following
table.Frequently Occurring Problems
Frequently
Occurring
Problems
Cause
How to Fix
Poor
reception
Using the mobile phone in an area with poor reception
such as near tall buildings or in a basement where
radio waves cannot
be transmitted
Try to avoid.
Using the mobile phone when the network is busy,
such as during rush hour, when the lines are full
making it impossible to get through.
Try to avoid.
Related to the distance from the base station built
by the network.
You can request that the
network service provider
provide a service area plan.
Echo or noise
Caused by poor network relay, a regional problem.
Hang up and redial, if the
relay is changed then the
line may be better.
Some calling regions have poor lines.
Shortening
of the
standby time
Standby time is related to the network system.
Please temporarily turn off
your mobile phone, as you are
located in an area with poor
reception.
Batteries need to be replaced
Replace the batteries
When you cannot get a signal, the phone will continue
to transmit in order to find a base station, thereby
expending large amounts of electricity will cause
the standby time to decrease.
Please move to an area with
a strong signal or
temporarily turn off your
mobile phone.
Unable to
turn on the
phone
The battery is empty.
Look at the remaining
electricity or recharge.
SIM card
malfunction
SIM card is damaged.
Contact your network service
provider.
SIM card is not properly inserted.
Confirm SIM card is properly
inserted.
There is a foreign substance on the metal surface of
the SIM card.
Use a clean cloth to wipe off
the metal contact point of
the SIM card.
Unable to
connect with
the network
Expired SIM card
Contact your network
provider.
Outside the GSM service area
Consult your network
provider on the service
area.
Poor signal.
Please move to a place with
a better signal and try
again.
Unable to
make a call
Using the call bar function
Cancel the call bar
function.
Using the fixed dialling function.
Cancel the fixed call
setting.
Incorrect
PIN number
Consecutively enter the wrong password three times.
Contact your network
provider.