Zte Z557 - Page 128

128
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.
nano-SIM card
error
The nano-SIM card has
malfunctioned or is
damaged.
Take the nano-SIM card to
your service provider for
testing.
The nano-SIM card is
inserted improperly.
Insert the nano-SIM card
properly.
Debris is on the nano-SIM
card contacts.
Use a soft, dry cloth to clean
the nano-SIM card contacts.
Cannot answer
incoming calls
You have activated the Call
blocking feature.
Disable this feature. See Set
Call Blocking.
Cannot make
outgoing calls
You have activated the
Fixed Dialing Numbers
feature.
Disable this feature. See Use
Fixed Dialing Numbers.
Unable to
connect to the
network
The nano-SIM card is
invalid.
Contact your service provider.
You are not within the
network’s service area.
Check the service area with
your service provider.