Learn about the cold and warm screen.
Applicable to realme phones.
You check your friend's new realme phone and noticed that the screen color is slightly different from yours. You wonder if there's a screen issue. We can assure you there's none. This is just a matter of how you want the screen color to look like.
How to modify screen color
Go to [Settings] > [Display & Brightness] and change Screen Color Temperature Adjustment according to your preference.