If you have low vision, take advantage of these features to help improve screen readability.
If you're hard of hearing, these audio-related features make listening to HTC U Ultra clearer and more comprehensible.
If you wear a hearing aid or are hearing impaired, you can enable these options in Settings > Call:
You can use your voice to perform an action on
HTC U Ultra.
Motion Launch combines a motion and finger gesture to perform an action such as waking
HTC U Ultra from sleep mode or launching the camera. For details, see