Different kinds of Screen Settings are present on LG K20 & K20 Plus. They are Screen Color Inversion, High Contrast Screen, Comfort View & Color Settings. If you’ve turned on any of these accidentally, the screen would become negative/black & white/off white, etc.
In this post, we are going to fix the negative display / inverted colors issue and check out the LG K20 Dark Mode. So Let’s get going –
LG K20 Negative Display / Inverted Colors – Fix