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Echo or noise
Waiting time becomes short
The phone cannot be started
The UIM card is not available
No network service
Please move near the window
if you are in a building, and
move to a wild place if the
signal is weak.
3 keep away from base station
of network operator.
4.Electromagnetic interference
source nearby.
1. Imperfect function line of
network operator.
2. Imperfect local line in some
calling areas
1. Waiting time and network's
operator system is connected.
The same mobile phone is
used in different networks
2. The user's moving make the
frequent switchover between
areas
3.Battery
waste.
function will fall after a period
of using
4. The mobile phone will
launch continuously and sea-
rch base station when not
receive
signals.
consuming of electric quantity
shorten the waiting time.
1. No battery or the battery is
not installed well.
2. Time of pressing the power
key is not long enough.
1. Damaged UIM card
2. UIM card is not installed
well
3. Unclean UIM card contact.
Be not in service area
Weak signal
Try to avoid
Ask network oper-ator supply
service map
Try to avoid using your phone
here
Hang up and redial
Power off in week signal place
Make a call at a fixed place as
possible as you can.
Battery
Change battery
Move to a nice signal area or
power off temporarily.
Mass
Charger the battery or install
the battery correctly.
Press the power key about 2
seconds to power on..
Send to network operator for
examination.
Reinsert UIM card correctly
Wipe the touching point with a
clean cloth.
Check the service area of
network operator.
Move near the window or
select another service network
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