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When you cannot get
a signal, the phone will
continue to transmit in
order to find a base
station, thereby
expending large
amounts of electricity
will cause the standby
time to decrease.
Please move to
an area with a
strong signal or
temporarily turn
off your Smart
Phone.
Unable to
turn on the
phone
The battery is empty.
Look at the
remaining
electricity or
recharge.
SIM card
malfunction
SIM card is damaged.
Contact your
network service
provider.
SIM card is not
properly inserted.
Confirm SIM
card is properly
inserted.
There is a dirty
substance on the
metal surface of the
SIM card.
Use a clean cloth
to wipe off the
metal contact
point of the SIM
card.
Unable to
connect with
the network
Expired SIM card
Contact your
network provider.
Outside the GSM
service area
Consult your
network provider
on the service
area.
Poor signal.
Please move to a
place with a
better signal and
try again.
Unable to
make a call
Using the call bar
function
Cancel the call
bar function.