Swipe down the screen to view the two settings within the Dexterity section shown in Figure 8.
Figure 8. The Dexterity section on the right side of the Settings screen.
In the Assistant Menu setting, slide the Off button to On to turn on the Assistant menu button that appears in the lower right corner of the screen. Tap the Assistant menu button to open the Assistant menu window as shown in Figure 9.
Figure 9. The Assistant menu appears in the lower right side of the screen.
Tap a button for the appropriate command, such as tapping the Home button to return to the Home screen. You can also tap the up and down arrows in the blue bar at the right side of the window to view four more buttons in the window. After you tap the button, the window appears for a few seconds and then disappears, though the Assistant menu button returns in the lower right corner of the screen.
If you don’t tap a button for a few seconds, then the menu window disappears and you see the Assistant menu button in the lower right corner of the screen again. You can also close the window and view the Assistant menu button by tapping on the screen outside the window. If you want to turn the Assistant menu button off, slide the button in the Assistant Menu setting within the Mobility section from On to Off.
You can also change how long it takes for a menu or other option to appear when you press and hold down on the screen by tapping Press and Hold Delay and then selecting from Short (the default selection), Medium, or Long.