Code referencing next-generation versions of the iPhone, iPad, and Apple TV has been found in the iOS 5.1 beta released to developers last night. According to a report from 9to5Mac, iOS 5.1 contains references to an iPhone5,1—the iPhone 4S is listed as iPhone4,1—as well as an iPad 3,3, a full number higher than the iPad 2’s 2,x designation. A separate report indicates that iOS 5.1 also reveals the codename for the next-generation…
