User's Manual

25
Frequently Asked Questions and Troubleshooting
Frequen
tly
Asked
Questio
ns
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 it on;
Check if battery is appropriately
charged.
Fail to
connect
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
informati
on while
turning
on
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.
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 searching 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
shortene
The standby duration is relative to the
system setting of network. While the
mobile phone is in an area with poor