Open RTT preferences

Enable (or disable) the Live Captions feature.

Opens the deep link into Settings > Accessibility > Accessibility Shortcut to let you configure the Side Button to toggle accessibility feautres on or off.

Choose between Apple Watch Mirroring, AssistiveTouch, Background Sounds, Classic Invert, Color Filters, Control Nearby Devices, Detection Mode, Dim Flashing Lights, Increase Contrast, Left or Right Balance, Live Captions, Live Speech, Magnifier, Reduce Motion, Reduce Transparency, Voice Control, Reduce White Point, Smart Invert, Switch Control, VoiceOver, Zoom, Full Keyboard Access, and Speak Screen.

Opens into the Display and Text Size section of Accessibility settings and lets you customize features like Bold Text, Larger Text, Button Shapes, On or Off Labels, Reduce Transparency, Increase Contract, Differentiate Without Color, Prefer Horizontal Text, Smart Invert, Classic Invert, Color Filters, Reduce White Point, and Auto-Brightness.

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 into Settings > Accessibility > Zoom to let you toggle the feature on or off to magnify the entire screen with a double tap, three-finger drag, and double tap three fingers, as well as features like Follow Focus, Smart Typing, Keyboard Shortcuts, Zoom Controller, Zoom Region, Zoom Filter, Show while Mirroring, and Maximum Zoom Level.

Opens the deep link into Settings > Accessibility > Audio Descriptions where you can toggle the feature on or off to, when available, automatically play audio descriptions.