Apple has unveiled the iPhone Duo, its first foldable iPhone: a 7.6-inch pocket-sized tablet with a titanium frame, two screens, a new A20 Pro chip, and a price tag that might leave your wallet more folded than the phone. Apple’s first-ever foldable When closed, it has a 5.4-inch outer display. Open it up and the […] The post Apple’s foldable iPhone Duo…