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The standby time is related to
standby
your service provider system
time
configuration.
phone used with different
service
will not provide exactly the
same length of standby time.
The battery is depleted. In
high
environments, battery 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 so consumes
battery
consequently shorten standby
time.
You cannot
Battery
switch your
exhausted.
phone on.
SIM
card
SIM
card
error
damage
SIM
improperly.
Debris on the SIM card metal
area
Unable
to
SIM card invalid.
connect
to
the
You are not within the service
network.
area of the network.
Poor signal.
PIN Code is
You
blocked.
incorrect
consecutive times.
The
same
providers'
systems
temperature
power
and
will
power
has
been
malfunction
or
card
is
inserted
have
entered
an
PIN
code
three
39
If you are located in an area where
signaling
is
weak,
switch off the phone.
Use a new battery.
Change your location to one where
the
network
is
accessible,
temporarily turn 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 metal area.
Contact your service provider.
Check the service area with your
service provider.
Move to an open space, or if you
are inside a building, move closer to
a window.
Contact your service provider. If the
service provider provides the PUK
code of the SIM card, use the PUK
code to unlock the SIM card.
temporarily
or
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