153
Problem
Possible causes
Possible solution
PIN Code
blocked
You have entered an
incorrect PIN code three
consecutive times.
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.
Phone
crashes,
reboots,
freeze, or
cannot be
powered on
Some third-party
software is not
compatible with your
phone.
Uninstall the software
that may cause the
problem.
Upgrade the phone
software.
Reset the phone to
factory status.