1. From the home screen, swipe down the Notifications bar.
    device 2764/1346717.jpg
  2. Tap the Settings icon.
    device 2764/1346718.jpg
  3. Tap Sound.
    device 2764/1346719.jpg
  4. Tap Default notification.
    device 2764/1346720.jpg
  5. Scroll to, then tap the desired option.
    device 2764/1346721.jpg
  6. Tap OK.
    device 2764/1346722.jpg
  7. Tap Volumes.
    device 2764/1346723.jpg
  8. Drag the Notifications slider to the desired location.
    device 2764/1346724.jpg
  9. Tap OK.
    device 2764/1346725.jpg