Download HD : Iphone X 4k Black Theme iPhone X 4K Wallpaper from the all Widescreen (4K 5K 8K Ultra HD resolutions) for mobiles, tablets and desktops devices with Microsoft Windows / Apple iOS & MacOS / Android / Linux and other devices. HD : Iphone X 4k Black Theme iPhone X 4K Wallpaper is part of the iPhone X 4K collection.