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2 seconds / 5 seconds: The touch keys light for 2 or 5
seconds each time you touch the screen or touch keys
while the screen is turned on.
Auto: Let your phone turn on or off the touch keys
backlight automatically.
Sound & Notification
Adjust different types of volume (see Adjusting Volume), toggle
sound, vibration and mute (see Switching to Silent Mode), set
up ringtone and notification sound (see Changing Ringtone and
Notification Sound), select system sounds (see Turning On/Off
System Sounds), or control notification display.
Security
Screen lock: Disable the screen lock or enable it with long
press, pattern, PIN, or password. See Protecting Your
Phone With Screen Locks.
Make pattern visible: Show the pattern as you draw it. This
option is available when unlock pattern is set.
Automatically lock: Set the time needed for the lock
protection to be activated after the screen turns off. This
option is available when pattern, PIN or password is set.
Power button instantly locks: Lock protection is activated
immediately when you press the Power key. This option is
available when pattern, PIN or password is set.
Lock screen message: Set the text that you may display