Samsung SM-S901E/DS User Manual page 202

Appendix
4
If the universal switches are not registered on the device, tap Add switch and set
switches to control the device.
To activate the universal switch feature, at least one switch must be registered on
the device.
To set switches to control the device, tap the switch under Switches.
To deactivate this feature, press the Side button and the Volume Up button
simultaneously.
Assistant menu
Displaying the assistive shortcut icon
Set the device to display the assistive shortcut icon for accessing apps, features, and
settings. You can easily control the device by tapping the assistive menus in the icon.
1
Launch the Settings app and tap Accessibility → Interaction and dexterity →
Assistant menu.
2
Tap the switch to activate it.
The assistive shortcut icon appears at the bottom right of the screen.
To adjust the assistant shortcut icon's transparency level, drag the adjustment bar
under Transparency.
Accessing assistive menus
The assistive shortcut icon appears as a floating icon for easy access to the assistive
menus from any screen.
When you tap the assistive shortcut icon, the icon expands slightly and the assistive
menus appear on the icon. Tap the left or right arrow, or swipe to the left or right, to
select other menus.
Using enhanced assistive menus
Set the device to display enhanced assistive menus for selected apps.
Launch the Settings app, tap Accessibility → Interaction and dexterity → Assistant
menu → Select apps to show contextual menus with, and then tap the switches next to
the apps you want to activate.
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