An image showing what appears to be an iPhone screen has shown up on Chinese microblogging website Weibo. The image is not of the highest quality, but you can see the current iPhone 5s next to an oversized front panel supposedly belonging to the next-gen iPhone 6.
Taking a closer look, you can see the home button cutout as well as the holes for the front-facing FaceTime camera, IR proximity sensor and the pill-shaped opening for the ear speaker. The screen bezels look to be very slim in comparison with the current iPhone 5s. It is unclear if the screen hold the correct 16:9 aspect retie used in all the iPhone since the iPhone 5.
Even if the front panel is not legit, the photo offers a real life example of what a 5.5-inch iPhone compares to the existing models. For iPhone 6 concepts, check out these posts.