User's Manual
9
Poor voice quality
Please check whether the volume control is suitable;
When the phone is used in places with poor telecommunications, such as
high rises or basement, the radio wave cannot be transmitted efficiently;
When you use the phone in the rush hour of calls, line congestion will
disable calls.
Shorter standby
time
The standby time is associated with the network system setup. In this case,
you are possibly in place with poor communication. When the signal is not
available, the phone will continue to search for the base station. This will
consume a lot of battery power, making standby time much shorter. To
continue to use, move to a place with strong signal, or shut down the phone
temporarily
Replace the battery with a new battery;
SIM card error
If the metal surface of the SIM card is dirty, clean the metal contact with a
clean piece of cloth;
SIM card has not been properly installed;
If SIM card is damaged, contact your network service provider.
Unable to make
calls
Check whether the Dial key is depressed after the number is inputted;
Check whether your calls have been barred due to insufficient mobile
phone fee;
Check whether the SIM card is effective;
Check whether the call barring function has been set;
Check whether the fixed dialing function has been set;
Your caller is
unable to access to
you
Check that your phone has been started up and accessed to the network;
Check whether your phone has been restricted because of insufficient
mobile phone fee;
Check whether the SIM card is valid;
Check whether the call barring function has been set;
Check whether the fixed dialing function has been set;
Unable to
re-charge the
battery
Not well connected. Check whether the plug is properly connected;
Charge the battery under 10 or above 55 . Please change to another ℃℃
environment;
The battery or battery charge is damaged. If necessary, change it.
Unable to
set up some
functions
Operation errors;
The network service provider doesn’t support this function, or you have not
applied for this function.
If the above instructions are still unable to solve your issues, please record:
Model type and serial number for your mobile
Details of the warranty
Clear description of your problems