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abnormalities
Receiving
signal
adverse
Echo or noise
can'tbe turned on
Standby time becomes
short
causes
1.use mobile phones in the signal
receiving bad areas . Such as tall
buildings or basement near
2.In a dense period, the line call
is in congestion which cannot be
calling.
3.
Away
from
the
operator's base station
1. The network operator's poor
trunks caused
2. call line of some places is in
bad
The battery is exhausted
1. Standby time have something to
do with network operators' system
setting. The same cell phone is
used
in
networks,standby time may not the
same.
19
If you are in the building,
please move to the nearby window.
If the signal is very weak,
please move into the open place
Try to avoid
network
You
operators to provide the service
area chart.
Hang up and dial again, trunks'
choice may exchange for good
lines.
To recharge the battery
In the signal receiving bad
areas, please temporarily shut
different
down
solution
can
request
network
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