158
Problem Possible causes Possible solution
You have activated the
Fixed dialing numbers
feature.
Disable this feature. See
Use Fixed Dialing Numbers
.
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.
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