Zte Z796C User Manual page 151

Problem Possible causes
Cannot turn Battery power has been
your phone depleted.
on
Unable to You are not within the
connect to network's service area.
the network
Poor signal.
You cannot
You have activated the
make
Fixed dial numbers
outgoing
feature.
calls.
PIN Code You have entered an
blocked incorrect PIN code three
consecutive times.
Unable to The phonebook's
enter memory is already full.
information
into the
phonebook
151
Possible solution
Recharge the phone's
battery.
Check the service area
with your service
provider.
Move to an open space,
or if you are inside a
building, move closer to
a window.
Go to Call settings to
check the Fixed Dialing
Numbers and disable it.
Contact your service
provider.
Delete unnecessary
data from the contacts.