Zte BLADE V7 LITE User Manual page 158

Problem Possible causes
You have activated the
Cannot
Call barring feature.
make
outgoing
You have activated the
calls.
Fixed dialling numbers
feature.
You have entered an
PIN Code
incorrect PIN code three
blocked
consecutive times.
Phone
crashes, Some third-party
reboots, software is not
freeze, or compatible with your
cannot be phone.
powered on
158
Possible solution
Disable this feature. See
on
Bar Certain Calls
page 83.
Disable this feature. See
Use Fixed Dialling
on page 82.
Numbers
Contact your service
provider. If the service
provider provides the
nano-SIM card's PUK
code, use the PUK code
to unlock the nano-SIM
card.
Uninstall the software
that may cause the
problem.
Upgrade the phone
software.
Reset the phone to
factory status.