35
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;
Fail to
connect
network
FAQ
Cause and Solution
Frequently Asked Questions
and Troubleshooting
Check if the SIM card is installed correctly
Handset lock password. If the handset lock
is activated, you have to input handset
password.
Input PIN: Inputting PIN while turning on
each time is activated, you have to input
the PIN code.
Input PUK code: When you’ve input wrong
PIN code for 3 times will lock the SIM card.
You need to input the PUK code provided
by your network provider.
Display
information
while
turning on
Please check if the sound volume is tuned
improperly
In an area with poor receiving condition,
Poor quality
of calling
