User's Manual
9
There is some dirt o the metal surface of the SIM card. Please wipe the metal contacts of the SIM
card with a clean cloth ;
SIM card is not installed. You should install the SIM card based on the User’s Manual.
SIM card is damaged. Please contact with your network supplier;
Cannot access to network
The signal is weak, please move to the place where the signal is strong and retry;
Beyond the coverage of the network of the network server;
SIM card is invalid, please contact with your network supplier;
Cannot dial out
Please confirm whether the dial key send is pressed after the number is dialed;
Please confirm whether the call is barred due to owned toll;
Please confirm whether the SIM card is valid or not;
Please confirm whether the call restriction function is set UP;
Please confirm whether the fixed dial function is set UP;
Bad call quality
Check whether the volume is adjusted appropriately;
Use the phone at the place where the receiving quality is not good, such as near to the building or
in the basement where the radio wave cannot reach.
Use the phone at the peak time, such as at the time of going on/off the duty, the channel is
congested;
Contact cannot call you
Please confirm that the phone is powered on and is Unlinked with network;
Please confirm that the call is barred because of owned toll;
Please confirm whether the SIM card is valid;
Please confirm whether the fixed dial function is set UP;
Contact cannot hear you
Please confirm that the microphone is opened;
Please keep the microphone at the bottom of the phone close to your mouth.
Short standby time
The stand-by time is relevant to the system setup. The phone is possibly at the place where the
signal state is bad. When the phone cannot receive the signal, the phone will transmit to search
the base station continuously; consuming a great deal of battery capacity and shortening the
stand-by time of the battery. Please move to the place where the signal is strong to use the phone
or temporarily power the phone off.
The battery requires to be displaced with a new battery ;
Cannot charge
Bad contact! please check that the plug is connected well;
Wipe the interfaces of the phone and battery with soft and dry clothing.
Charge at the environment below -10℃ or beyond 50℃. Please change the charging
environment;
The battery or adapter is damaged and requires to be replaced;
Please record the phone model and SN, authorized or insurance information and detailed statement and
then contact with the local after sales service if the aforementioned instruction cannot facilitate you to
conquer these problems.