Apple's foldable iPhone Duo sold out across official and third-party platforms immediately after pre-orders opened on October 16. JD.com recorded 3.095 million reservations just 30 minutes before sales began, with the device priced between 15,999 yuan and 26,499 yuan for storage options ranging from 256GB to 2TB. Secondary market prices surged rapidly following the sell-out. Data from Dewu shows the 1TB black version traded at an average of 28,642 yuan, a premium of 7,143 yuan above retail, while the 256GB model rose approximately 38%. Proxy purchase services on Xianyu are currently listed between 398 yuan and 1,988 yuan. The eSIM-only device requires in-person identity verification at carrier stores for activation.