Use motion gestures to mute
HTC One S, turn on the speakerphone, and more.
Flip to silence / flip for speakerphone

When a call comes in you can turn
HTC One S over to mute it.

While in a call, turn
HTC One S over to turn the speakerphone on for hands-free conversations or for conference calling.
Pick up to lower volume

In a business meeting or restaurant, pick
HTC One S up when a call comes in to lower the ringtone volume.
Set volume to automatically rise while in your pocket or bag

On a noisy street and can't hear
HTC One S ringing in your bag?
You can set
HTC One S to recognize when it's in your bag or pocket and raise the ringtone volume so that you can hear it in noisy environments.
Rotate
HTC One S for a better view

For many screens, you can automatically change the screen orientation from portrait to landscape by turning
HTC One S sideways.
When entering text, you can turn
HTC One S sideways to bring up a bigger keyboard.