Magnification
Go to Settings > Additional settings >
Accessibility > Magnification >
Magnification shortcut. Once enabled, use
shortcut to start magnification.
Drag two fingers to move around screen.
Pinch with two fingers to adjust zoom.
To zoom in temporarily, touch and hold
anywhere on the screen, then drag finger to
move around screen. Lift finger to stop
magnification.
Note:
You can't use zoom function on the keyboard
or navigation bar.
Press power button to end calls
Go to Settings > Additional settings >
Accessibility and then enable "Press power
button to end calls". This allows you to end a
call by simply pressing the power button.
Color inversion
Go to Settings > Additional settings >
Accessibility and enable "Color inversion" to
invert the display colors.
Color correction