Yesterday, the network merged the image with the new iPhone XS, which shows the difference between the 5.8 and 6.5-inch models. Not
Wallpaper from advertising iphone XS
Download: iPhone and iPhone X
Below you can see a preview of the wallpaper. Most likely, this is not just a photograph, but a composition of several images.
Full resolution wallpapers will be available when iOS 12 Golden Master is released. This should happen on September 12th.