Zte Z982 User Manual And Safety Information page 105

Problem Possible causes
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
Possible solution
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.
104