Zte -G S505 User Manual page 31

Problem Possible causes
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.
Cannot switch your Battery power has been
phone on depleted.
USIM card error USIM card malfunction
or damage.
USIM card inserted
improperly.
Debris on the USIM card
contacts.
Unable to connect to the USIM card invalid.
31
Possible solution
one where the network
is accessible, or
temporarily turn off your
phone.
Recharge the phone's
battery.
Take the USIM card to
your service provider for
testing.
Insert the USIM card
properly.
Use a soft, dry cloth to
clean the USIM card
contacts.
Contact your service