T-Mobile Concord II - Phone Stability Issues

128
Problem Possible causes Possible solution
Unable to enter
information into
the phonebook
The phonebook’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.