Mio S20 - Page 21

19
abnormalities
causes
solution
Receiving signal
adverse
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
3. Away from the network
operator's base station
You can request network
operators to provide the service
area chart.
Echo or noise
1. The network operator's poor
trunks caused
Hang up and dial again, trunks'
choice may exchange for good
lines.
2. call line of some places is in
bad
can'tbe turned on
The battery is exhausted
To recharge the battery
Standby time becomes
short
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