Good thing these aren't Game of Thrones spoilers - 3D renders of the Samsung Galaxy S7 leak all the time. These come from Mobile Fun, a UK retailer of smartphone accessories, and show off Olixar cases for the upcoming flagship. There are cases for the Galaxy S7 edge listed as well, though those don't have images to go with them. There's nothing on the bigger 6" Galaxy S7+/ S7 edge+ versions. These cases are for the 5.1" Galaxy S7 and show the narrow Home button. Leaks like this come in two flavors - with a narrow button or with a bigger button. There's still no consensus which one is right. Samsung Galaxy S7 (unofficial renders) in Olixar cases Browsing through the options, we spotted some interesting "official" cases - a QWERTY Keyboard Cover and a Backpack (battery case maybe?). It's probably like the QWERTY add-on the Galaxy Note5 had. There's also the usual S View case, a Clear Cover case and a rugged-sounding Guard Cover...
Source: http://www.gsmarena.com/samsung_galaxy_s7_renders_show_new_cases-news-15863.php