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156
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. See
Uninstalling or Disabling
an Application
Upgrade the phone
software.
Reset the phone to
factory status. See