Zte V790 User Manual page 161

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Problem
You cannot
make
outgoing
calls.
PIN Code
blocked
Unable to
enter
information
into the
phone book
Phone
crashes,
reboots,
Possible causes
You have activated the
Call barring feature.
You have activated the
Fixed dial numbers
feature.
You have entered an
incorrect PIN code three
consecutive times.
The phone book's
memory is already full.
Some third-party
software is not
compatible with your
Possible solution
Go to Settings > Call
settings > Call Barring
Settings, and then
select Deactive All.
Go to Settings > Call
settings > Fixed
Dialing Numbers and
disable it.
Contact your service
provider. If the service
provider provides the
(U)SIM card's PUK
code, use the PUK code
to unlock the (U)SIM
card.
Delete unnecessary
data from the contacts.
Reset the phone to
factory status.
161

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