A pair of leaked images posted on Reddit show what the poster claims to be the black glass backs of an iPhone 7, 7s and 8 along with the front screen for the iPhone 8. The iPhone 8 back is a similar size to the iPhone 7, but features the vertical dual camera cutout seen in previous leaks. The front glass for the iPhone 8 is also in line with current rumors, with a much narrower bezel all along the edges and a small top cutout for the camera and speaker.…