The battery is depleted.
In high temperature
environments, battery life
will be shortened.
Use a new battery.
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 malfunction or
damage
Take the SIM card to
your service provider
for testing.
SIM card is inserted
improperly.
Insert the SIM card
properly.
SIM card
error
Debris on the SIM card
contacts
Use a soft and dry
cloth to clean the
SIM card contacts.
Unable to
connect to
SIM card invalid.
Contact your service
provider.
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