Apple is one step closer to producing a folding iPhone. Rumors have been swirling for years, with several Apple patents for hinged mobile devices on the books. According to United Daily News in Taiwan, the company has successfully tested two different models of folding iPhone prototypes at the Foxconn factory in Shenzhen.
One of the great things about patent lawsuits is that companies like Apple unleash photos of prototype devices that have never seen the light of day. The Verge has uncovered a great collection of iPhone designs that have never been seen outside of Apple's walls.
The designs range from an octagonal shaped iPhone with a silver bezel to a slim, tall profile device known as the n90. If this number rings a bell, it might be because early rumors of the iPhone 4 leaked this model number. The n90 pictured is quite different from the iPhone 4 that made it into production.