150
Problem
Possible causes
Possible solution
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.
Cannot turn
your phone
on
Battery power has been
depleted.
Recharge the phone’s
battery.
SIM card
error
SIM card malfunction or
damage.
Take the SIM card to
your service provider for
testing.
SIM card inserted
improperly.
Insert the SIM card
properly.
Debris on the SIM card
contacts.
Use a soft, dry cloth to
clean the SIM card
contacts.