User manual

124
Problem Possible causes Possible solution
Unable to
enter
information
into the
phonebook
The phonebo
ok’s memory is
already full.
Delete unnecessary data
from the contacts.
Phone
crashes,
reboots,
freeze, or
cannot be
powered on
Some third-party software is
not compatible with your
phone.
Reset the phone to factory
status.
Enter safety mode and
uninstall the software that
may cause the problem.
Upgrade the phone
software.