22
and off-line
network
cannot
arrive
effectively,
near
high
buildings
or
in
the
basement.
Use the mobile phone
during the peak time of
communications,
or
radio-wave
line
is
jammed, which leads to
poor receiving effect and
makes it impossible to
call.
Avoid it if possible.
It’s
far
from
the
transmitting base station
built by network operator.
Ask the network operator to
provide the service area map.
Echo or
noise during
calls
It’s caused by the poor
wireless network trunks,
regional problem.
Hook up and re-dial to switch
over to better line possibly.
Poor receiving of lines in
some
communication
areas.
Avoid using the mobile phone
in areas with poor receiving
signals.
Possibly it is interfered by
radio waves.
Avoid using the mobile phone
near the microwave oven,
speaker, TV set or medical
facilities, etc.
10. Practical tips for mobile phone energy-saving
Don’t use the mobile phone to call frequently in severe weather
Don’t use the mobile phone to call frequently in places with airproof
environment and weak signals
Don’t use the mobile phone to call frequently during rapid movement
Never save too much message in SIM Card
11. Reparation and Maintenance of Mobile Phone
Your mobile phone is a well-designed and processed product, so please use
it with good care. The following suggestion will help you to effectively
repair and maintain the mobile phone.