If you have low vision, take advantage of these features to help improve screen readability.
TalkBack to hear audible feedback on what you do on your phone. See
HTC One A9 with
If you wear a hearing aid or are hearing impaired, you can enable these options in Settings > Call settings:
You can use your voice to perform an action on
HTC One A9.
Motion Launch combines a motion and finger gesture to perform an action such as waking
HTC One A9 from sleep mode or launching the camera. See