Operation Manual

Troubles Cause and Soluon
Fail to turn on
Press the Power Key for over 1 second.
Check if the baery is properly connected. Please
remove and install it again, retry to turn it on;
Check if baery is appropriately charged.
Fail to
connect
network
Weak signal. Please try and move to a locaon with
strong signal and try connecng to the network
again;
Please ensure that you are not beyond the network
coverage of service provider
s;
Please ensure you have a valid SIM card. Please
contact your network provider for further
informaon;
Poor quality
of calling
Please check if the sound volume is tuned
improperly
In an area with poor receiving condion, example:
basement, the signal might be weak. Try searching
a locaon with stronger signal recepon and call
again.
While using the mobile phone in the peak period of
communicaon, like commute me, you may be
unable to cal
l because of line congeson.
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.
Callers cannot
contact you
Please check if the mobile phone is on and
connected with the network.
Please check if the Call barring or call divert is
acvated.
Please check if the SIM card is val
id.
Fail to set
some
funcons
Wrong operaon.
The network provider does not support the
funcon, or you have not applied for it.
Trouble Shooting
70