Apple's inaugural foldable, the 'iPhone Duo,' is set for a grand unveiling at CEO John Ternus' first iPhone event on September 9, reportedly starting at USD 2,000 (approximately INR 1,66,500) for 256GB. A last-minute report by Mark Gurman details its book-style design with a 5.5-inch outer and 7.8-inch inner display, powered by the A20 chip.