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Problem
Unable to
enter
information
into the
phonebook
Phone
crashes,
reboots,
freeze, or
cannot be
powered on
Possible causes
Poor signal.
The phonebookʼs
memory is already full.
Some third-party
software is not
compatible with your
phone.
Possible solution
Move to an open space,
or if you are inside a
building, move closer to
a window.
Delete unnecessary
data from the contacts.
Reset the phone to
factory status.
Enter safety mode and
uninstall the software
that may cause the
problem.
Upgrade the phone
software.
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