Good idea. But bizarrely now it appears to have righted itself. Just as mysteriously as the problem appeared, it has disappeared! Hopefully it stays away. Thanks very much for your help.
It’s on everything. Wallpaper, webpages, videos, even the app icons look like the colour has been dialled up to 12. There’s no sharpness to anything. It’s all too dark and looks low res.
The display quality on my iPad Air 2 changed suddenly yesterday and all photos now appear grainy or overexposed and blurry. Even pics viewed on web browser, so it is all display not just my photos. Photo optimization is NOT enabled so it’s not that. I have rebooted. I updated to iOS 12 and...