New M4 iPad Pro owners are complaining about an issue that produces visible grainy artifacts in the display.iPad Pro with M4 and a Nano-texture coatingThe iPad Pro with M4 is starting to arrive with consumers, eager to get started using their new tablets. But while the Tandem OLED system promises a bright picture, some users are discovering apparent issues with the display.For some Reddit users, there appears to be a grainy appearance when viewing content. The grain is visible and very apparent when closely inspected, especially in dark rooms. Continue Reading on AppleInsider | Discuss on our Forums