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FAQ
Causes and solutions
Unable to
boot up
Ensure you have pressed and held the power on key for at least 1
second;
Check the battery for proper connection. Dissemble and reinstall
the battery, and then try to restart the phone
；
Check whether the battery power has been used up. Please
re-charge your battery.
Access to
network
failed
For weak signal, move to another place and retry;
Out of reach of the network service provider;
SIM card is inactive. Contact your network service provider.
Display
information
during
startup
Check the SIM card to see if the SIM card is correctly installed;
Automatic lock function is checked. Enter the phone lock
password before use;
The PIN code is displayed. The PIN function has been checked.
Enter the PIN code each time when the phone is started up; (For
the first use, enter the PIN code provided with the SIM card)
Enter PUK code: If wrong PIN codes are entered for three times
consecutively, the mobile phone will be locked. In this case, input
the PUK code provided by the network service provider.
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.