10
Fail to
connect to
network
In case of 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 is installed correctly
Handset lock password: If the handset lock is activated, you have to input handset password.
Input PIN: if Inputting PIN while turning the phone 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 properly
In an area with poor network conditions, 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
not be able to call because of line congestion.
Standby
duration
shortened
The standby duration is relative to the network systems. While the mobile phone is in an area
with poor signal strength and cannot receive the signal, the handset will continuously search for
a base station. This will significantly reduce battery charge. It is recommended that you turn off
your mobile in area with no signal reception to save battery.
Need replacing the battery: Please change to a new battery as battery performance may
decrease after prolonged usage.
SIM Card
Error
Dirt on the metal surface of an SIM card: Use clean cloth to wipe the metal touch point on an
SIM card.
The SIM card is not installed.
The SIM card is damaged. Please contact your network service provider.
