User's Guide

Table Of Contents
152
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.