OnePlus 7T Pro - Color Inversion; High Contrast Text

Accessibility
87
power button.
Color inversion
Go to Settings > System > Accessibility and
󵾙󵾢󵾕󵾖󵾠󵾙 󵿂󵽷󵾣󵾠󵾣󵾦 󵾝󵾢󵾪󵾙󵾦󵾧󵾝󵾣󵾢󵿃 to invert the display
colors.
Color correction
⚫ Deuteranomaly: red-green
⚫ Protanomaly: red-green
⚫ Tritanomaly: blue-yellow
High contrast text
Go to Settings > System > Accessibility > High
contrast text. Enable this function to increase
the contrast with background.