User manual
194
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,
freezes, or
cannot be
powered
on
Some third-party
software is not
compatible with your
phone.
Uninstall the
software that may
be causing the
problem.
Upgrade the phone
software.
Reset the phone to
factory status.