Apple debuts its first foldable phone called Duo Apple on Wednesday unveiled its first foldable phone, the Duo, in a major overhaul of its flagship product under new CEO John Ternus. The Duo, which opens into a wide screen and features a smaller front display, is Apple's thinnest phone when open. The iPhone generated $209.6 billion, over half of Apple's sales, in its most recent fiscal year. CUPERTINO, California — Apple on Wednesday unveiled a foldable phone called Duo, introducing the biggest change in years in the company's flagship product. The Duo is sized and shaped like a passport, with rounded edges. It opens into a horizontal, wide screen that also can be viewed vertically. There is a smaller single screen on the front, when the phone is folded. When open, it is Apple's thinnest phone, the company said. The folding phone event, the first with new CEO John Ternus at the helm, is the most noticeable overhaul of Apple's flagship product since it removed the physical home button from the iPhone X in 2017. The iPhone brought in $209.6 billion, or just over half of Apple's sales, in its most recent fiscal year. Former CEO Tim Cook handed over the leadership baton to Ternus with a video about how to start the presentation that ended with a closeup of Cook, who said, "Not me. That's your guy," pointing back toward Ternus. Ternus touted the iPhone as a personal AI hub that focused on privacy, saying that others wanted to collect and store personal data. "Honestly, trust on