35
Problem
Possible causes
Possible solution
systems will not provide
exactly the same length
of standby time.
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.
Cannot switch your
phone on
Battery power has been
depleted.
Recharge the phone’s
battery.
USIM card error
USIM card malfunction
or damage.
Take the USIM card to
your service provider for
