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The standby time is
standby
related to your service
time
provider
configuration. The same
phone
used
different
providers' systems will
not provide exactly the
same length of standby
time.
The battery is depleted.
In
high
temperature
environments,
life will be shortened.
If you are not able to
connect to the network,
the phone will continue
to send out signals as it
attempts to locate a base
station.
Doing
consumes battery power
and will consequently
shorten standby time.
You cannot
Battery power has been
switch your
depleted.
phone on.
SIM
card
SIM card malfunction
error
or damage
SIM card is inserted
improperly.
Debris on the SIM card
contacts
Unable
to
SIM card invalid.
connect to
the
network.
You are not within the
service
area
network.
Poor signal.
You cannot
You have activated the
answer
call barring feature.
incoming
calls.
If you are located
in an area where
system
signal
is
weak,
temporarily switch
with
off the phone.
service
Use a new battery.
battery
Change
your
location
to
one
where the network
is accessible, or
temporarily
turn
so
off your phone.
Recharge
the
battery.
Take the SIM card
to
your
service
provider
for
testing.
Insert
the
SIM
card properly.
Use a soft and dry
cloth to clean the
SIM card contacts.
Contact
your
service provider.
Check the service
of
the
area
with
your
service provider.
Move to an open
space, or if you
are
inside
a
building,
move
closer
to
a
window.
Go to Call Logs >
General
call
settings
>
SIM1/SIM2 call
settings > Call
barring, and then
select Cancel all.
23
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