HDR, or high-dynamic range, is currently the best way to view movies and TV shows on your iPhone 8 or 8 Plus. With a wider color gamut and a broad luminance range, there's no beating HDR video for the ultimate viewing experience. Unless, of course, you don't have the storage to hold those giant Dolby Vision or HDR10 files.
Here's the thing — most HDR content is in 4K, but the iPhone 8 and iPhone 8 Plus don't have 4K displays. They don't even have 2K displays. These iPhones, while excellent in their own right, only have display resolutions of 1080p. While HDR videos will look better than your... more