[Apple Foldable iPhone Duo Goes on Sale Tonight with 'Instant Sell-Out,' Premium Exceeds 7,000 Yuan] According to Deep Tide TechFlow, on October 16, iPhone Duo simultaneously opened for pre-orders through channels such as Apple's official website, Apple Store App, Tmall Apple Official Flagship Store, and JD Apple Self-operated Flagship Store. After pre-orders began, China News Service discovered that both Apple's official website and JD platform's pre-sale pages were in a waiting state, preventing selection and purchase. Shortly after, multiple platforms showed it was sold out. (Golden Ten)