User's Manual

28
8 Frequently Asked Questions and
Troubleshooting
Frequently
Asked
Questions
Cause and Solution
Fail to turn on
Press the power on key for over 1 second.
Check if the battery is properly connected. Please remove and
install it again, retry to turn on；
Check if battery is appropriately charged
Fail to connect
network
Weak signal. PleaseTry and move to a location with strong signal
and try connecting to the network again；
Please ensure that you are not beyond the network coverage of
service providers；
Please ensure you have a valid SIM card. Please contact your
network provider for further information；
Display
information
while turning
on
Check if the SIM card (insert the SIM card) is installed correctly
Handset lock password. If the handset lock is activated, you have
to input handset password before using.
Input PIN. Inputting PIN while turning on each time is activated, you
have to input the PIN code.
Input PUK code: Having input wrong PIN code for 3 times straight
will lock the SIM card. You need to input the PUK code provided by
your network provider.
Poor quality of
calling
Please check if the sound volume is tuned improperly
In an area with poor receiving condition, example: basement, the
signal might be weak. Try reaching a location with stronger signal
reception and call again.
While using the mobile phone in the peak period of communication,
like commute time, you may be unable to call because of line
congestion.
Standby
duration
shortened
The standby duration is relative to the system setting of network.
While the mobile phone is in an area with poor signal strength and
can not receive the signal, the handset will continuously search for
a base station. This will significantly reduce battery charge. It is