If you have low vision, take advantage of these features to help improve screen readability.
Use TalkBack to hear audible feedback on what you do on your phone. See Navigating HTC One M9 with TalkBack.
You can use your voice to perform an action on HTC One M9.
Motion Launch combines a motion and finger gesture to perform an action such as waking HTC One M9 from sleep mode or launching the camera. See What is Motion Launch?.