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may destroy the setting.
Please do not throw, knock on or shake the handset.
Treating it roughly may destroy the main board.
Please do not use excitant chemicals to clean the
handset. Use the soft suds to clean it.
Please do not paint the handset. Paint may interfere
with the moving part and influence the normal
operation.
Please use the qualified spare antenna. The
unauthorized antenna or other parts may destroy the
handset.
If the handset is wet, please power off and take the
battery out. You can begin to use it again 24 hours
later when you make sure it is dry.
To lower the voice volume and shorten the backlight
time is good to prolong the idle time.
Please don’t contact the charger interface with metal
to avoid short circuit.
16.3 Basic trouble solutions
If you feel something wrong when using the handset,
please refer to the following solutions. If you still can not solve it,
please contact with the operator.
Regular
problems
Reason
How to solve
The network service
supplier don’t supply
this service or you
haven’t applied
Contact
the
network
service operator
Can
not
connect
to
the network
when using
wireless
internet
Wrong setting
refer to the details of
wireless internet
SIM
card
error
SIM damaged
Contact
the
wireless
internet operator
