User Manual

18
EN
Failed to turn on your
phone
The battery power is used up� Check the battery power level or charge the bat-
tery�
SIM card error The SIM card is damaged� Contact your network service provider�
The SIM card is not properly installed� Ensure the SIM card is properly installed�
The metallic face of the SIM card is contami
-
nated�
Wipe the face with a clean cloth�
Failed to connect to
the network
The SIM card is invalid� Contact your network service provider�
Beyond the GSM coverage� Consult the network service provider for service
areas�
The signal is feeble� Retry at a stronger signal area�
Failed to make a call The call barring feature is used� Cancel the call barring settings�
The xed dialing number feature is used� Cancel the xed dialing number settings�
PIN code error Enter incorrect PIN codes for three times in suc
-
cession�
Contact your network service provider�
Failed to charge the
battery
The battery or the charger is damaged� Change a new battery or charger�
Charge the battery when ambient temperature
is lower than -10°C or above 55°C�
Change the environment�
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�