A batch of new images surfaced online this afternoon, purportedly showing an authentic iPhone 6 prototype. The photos are believed to have originated from China, and they show the front and back of what appears to be a larger handset designed by the Cupertino company.
It's impossible to know if these are legitimate iPhone 6 parts—one thing that immediately stands out is that the back appears to show FCC markers, somewhat odd for a prototype—but even if the photos are fake, they do give a good idea of what a larger iPhone could look like...