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