Vibrate Mode - HTC One® (M8) for Windows®

  1. From the Start screen, swipe left to display the Apps list.
    Note Alternatively, tap All apps Right arrow icon (located in the lower-right; may require scrolling to the bottom of the Start screen).
  2. Select Settings.
  3. Select ringtones+sounds.
  4. From the Vibrate section, tap the On/Off switch.
    On Switch on icon
    Vibrate is enabled.
    Off Switch off icon
    Vibrate is disabled.