ZTE Corporation Z750C Manuale Utente
161
Problem
Possible causes
Possible solution
Cannot turn
your phone
on
your phone
on
Battery power has been
depleted.
depleted.
Recharge the phone’s
battery.
battery.
Unable to
connect to
the network
connect to
the network
You are not within the
network’s service area.
network’s service area.
Check the service area
with your service
provider.
with your service
provider.
Poor signal.
Move to an open space,
or if you are inside a
building, move closer to
a window.
or if you are inside a
building, move closer to
a window.
You cannot
make
outgoing
calls.
make
outgoing
calls.
You have activated the
Fixed dial numbers
feature.
Fixed dial numbers
feature.
Go to Call settings to
check the Fixed Dialing
Numbers and disable it.
check the Fixed Dialing
Numbers and disable it.
PIN Code
blocked
blocked
You have entered an
incorrect PIN code three
consecutive times.
incorrect PIN code three
consecutive times.
Contact your service
provider.
provider.
Unable to
enter
information
into the
phonebook
enter
information
into the
phonebook
The phonebook’s
memory is already full.
memory is already full.
Delete unnecessary
data from the contacts.
data from the contacts.