The latest batch of alleged Galaxy S8 photos is doing the rounds today and it suggests the phone will retain the S7 edge's design, and will feature a dual-camera setup at the back. Our inbox got filled with tips about those, but unfortunately we'll have to disappoint as this is nothing more than a bunch of poorly photoshopped Galaxy S7 units. The Galaxy S8 may indeed come with a dual camera, but these images are hardly a proof of that. So, until there is a solid evidence for a dual camera, we'll stick to what the most tipsters are in agreement - no Home key, impressive...
Source: http://www.gsmarena.com/the_galaxy_s8_may_come_with_a_dual_camera_but_its_highly_unlikely-news-23378.php