User's Manual

25
abnormalities causes solution
1.use mobile phones in the signal
receiving bad areas . Such as tall
buildings or basement near
If you are in the building, please move
to the nearby window. If the signal is
very weak, please move into the open
place
2.In a dense period, the line call is in
congestion which cannot be calling.
Try to avoid
Receiving signal adverse
3. Away from the network operator's
base station
You can request network operators to
provide the service area chart.
1. The network operator's poor trunks
caused
Echo or noise
2. call line of some places is in bad
Hang up and dial again, trunks' choice
may exchange for good lines.
can'tbe turned on The battery is exhausted To recharge the battery
1. Standby time have something to do
with network operators' system setting.
The same cell phone is used in
different networks,standby time may not
the same.
In the signal receiving bad areas, please
temporarily shut down
Standby time becomes
short
2. The battery wears,and the
performance will be gradually reduced
after usin
g
a few
y
ears
Replace new battery