Apple’s most recently released version of the iOS Simulator developer tool suggests that iOS 6 already contains support for 1136x640 displays. 9to5Mac reports that when using a tweaked version of the iOS Simulator application, iOS 6 fully supported the expected next-generation iPhone resolution, offering up five complete rows of icons, not including the dock. When the current public release of iOS 5.1 was used, the Simulator instead displayed…