120
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
SIM card’s PUK code, use the PUK
code to unlock the SIM card.
Unable to enter
information into the
phonebook
The phonebook’s
memory is full.
Delete unnecessary data from the
contacts.
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.
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