Zte AXON User Manual page 161

Problem
Cannot
answer
incoming
calls
Cannot
make
outgoing
calls
PIN Code
blocked
Possible causes
The signal is poor.
The Call barring
feature is active.
Call barring feature is
active.
Fixed dialing
numbers feature is
active.
You entered an
incorrect PIN code
three consecutive
times.
Possible solution
Move to an open
space, or if inside a
building, move closer
to a window.
Disable this feature.
For more information,
see
Disable this feature.
For more information,
see
Disable this feature.
For more information,
see
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.
161
Bar Certain Calls.
Bar Certain Calls.
Use Fixed Dialing