A tool to change the settings of the media volume / ringer volume, you can return to the set value that has been previously saved.
Video playback and, after you change the media volume in the music playback, and when you have forgotten the original volume will change the operation sound of the terminal,
Gone by pressing the side key by mistake, when the incoming call volume has changed unintentionally,
Once you have previously saved the volume of the taste, you can revert to the volume.
Set of media volume / ringer volume / alarm volume can be tab switching.