Some people like the sound or vibration feedback they get when touching the screen, and some don't.
You can turn on or off various types of touch sounds and vibration on
HTC One A9.
- Touch tones when tapping the phone dial pad
- Touch sounds when tapping onscreen items
- Screen lock sounds
- Pull-to-refresh sounds
- Vibration when pressing hardware buttons
- Touch sound and vibration when tapping the
HTC Sense keyboard