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17
Frequently Asked Questions and Troubleshooting
Questions
Cause and Solution
Unable to turn on
phone
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
Unable to connect
to a network
Weak signal. Please Try 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.