We've seen front panels and back panels of Samsung's Galaxy S9 and Galaxy S9+. But so far we've not seen the finished article in real life photos - until now, perhaps. This purports to be the first such photo. The image may be doctored (it certainly seems like someone adjusted the brightness if nothing else), but it lines up quite well with the 3D renders provided case makers. The thing to note here is that the smaller Galaxy S9 has a single camera - the dual camera is exclusive to the Plus model. (Alleged) photo of the Samsung Galaxy S9 and S9+ As for other upgrades, Samsung...
Source: https://www.gsmarena.com/samsung_galaxy_s9_and_s9_pose_for_a_photo-news-28947.php