User Manual

24
The standby time is relevant to network
settings.
In poor reception areas,
turn off your phone
temporarily.
Replace the batteries
Change with a new
battery.
Shorter standby
time
When no signals are received, your phone
will continue searching for base stations,
thus consuming a large amount of battery
power and reducing standby time.
Use your phone at
strong signal areas or
Turn off the phone
temporarily.
Failed to turn on
your phone
The battery power is used up.
Check the battery
power level or charge
the battery.
The SIM card is damaged.
Contact your network
service provider.
The SIM card is not properly installed.
Ensure the SIM card is
properly installed.
SIM card error
The metallic face of the SIM card is
contaminated.
Wipe the face with a
clean cloth.
The SIM card is invalid.
Contact your network
service provider.
Beyond the GSM coverage.
Consult the network
service provider for
service areas.
Failed to connect
to the network
The signal is feeble.
Retry at a stronger
signal area.
The call barring feature is used.
Cancel the call barring
settings. Failed to make a
call
The fixed dialing number feature is used.
Cancel the fixed dialing
number settings.
PIN code error
Enter incorrect PIN codes for three times in
succession.
Contact your network
service provider.
The battery or the charger is damaged.
Change a new battery
or charger.
Charge the battery when ambient
temperature is lower than -10℃ or above
55℃.
Change the
environment.
Failed to charge
the battery
Poor connection.
Check whether the plug
is properly connected.
Failed to add
contacts to
phonebook
The storage space of phonebook is used up.
Delete some contacts
from the phonebook.
Failed to set up
some features
Your network service provider does not
provide the services, or you haven’t
subscribed them.
Contact your network
service provider.