Magnification
Go to Settings > System > 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.
Power button ends call
Go to Settings > System > Accessibility and
then enable "Power button ends call". This
allows you to end a call by simply pressing the
power button.
Color inversion
Go to Settings > System > Accessibility and
enable "Color inversion" to invert the display
colors.
Color correction