Open RTT preferences

Opens the deep link into Settings > Accessibility > Subtitles and Captioning where you can enable or disable Closed Captions + SDH. Also includes options for the Style, and whether to Show Audio Transcriptions for announcements from HomePod.

Opens the deep link into the Accessibility settings for Switch Control, which allows you to use your iPhone by sequentially highlighting items on the screen that can be activated through an adaptive accesssory. Other options include settings for Switches, Recipe, Scanning Style, Auto Scanning Time, Pause on First Item, Loops, Move Repeat, Long Press, Tap Behavior, Focused Item After Tap, and keyboard, switch stabilization, point scanning, audio, and menu items controls.

Opens the deep link into Accessibility > Voice Control to so you can toggle the feature on or off to allow you to use your voice to control your device, even when you are on calls. Page also includes a link to the Voice Control Guide, controls for Language, Commands, Vocabulary, and options for Show Confirmation, Play Sound, Show Hints, Continuous Overlay, and Attention Aware.

Switches the setting to Reduce White Point, lowering the overall screen brightness below normally-allowed levels.

Opens into the Touch section of Accessibility settings to let you control features like AssistiveTouch, Reachability, Haptic Touch, Touch Accommodations, Tap or Swipe to Wake, Shake to Undo, Prevent Lock to End Call, Call Audio Routing, and Back Tap control

Opens the deep link to the Personal Voice feature available in Accessibility settings on iOS, where you can create a Personal Voice, decide whether to Share Across Devices, and Allow Apps to Request to Use.