key-press sound.
Volume
Adjust the volume of
ring tone, alarm, information
and key-press tone.
Main
Menu-Profiles-User
defined--Volume
Security
setup
Set passwords of
various types to
protect the phone and
prevent authorized use.
Main
Menu-Settings-Security
setup
Restore
factory
settings
Restore part of the phone
to factory default settings
(factory default
password: 1234)
Main
Menu-Settings-Restore
Factory Settings
Note: The initial password of PIN code is normally 1234 and provided
by the operator. The factory default value of privacy protection
password is also 1234.
