Sound,
As You Like ItPress a volume key to access sound settings:
Adjust volume: Press the up or down volume key during calls to adjust in-call volume, and during playback to adjust video and music volume.
Switch ringtone settings: Touch the icon at the top of the
volume slider to switch between ringtone (
), vibrate ( 
) and mute (
).
Fine tune your sound options: Touch 
for
dozens of custom sound settings.