Everything on my screen changed into a negative color. Hoe can I normalize this.

[vichamel]

Everything on my screen has turned into a negative color. How can I normalize this?

 

[scifan5774]

Everything on my screen has turned into a negative color. How can I normalize this?

Go to Settings>General>Accessibility>Invert Colours and slide the switch to off, your colours should go back to normal.