Severe iPhone Duo shortages have frustrated buyers, but long delivery delays could also boost demand and reinforce the foldable phone's appeal.

Apple faces criticism for opening iPhone Duo preorders despite supply constraints, with estimated delivery dates slipping to late January 2027 in many markets.

Apple says preorders for its first foldable iPhone have far exceeded expectations, with deliveries now pushed into January 2027. Reports suggest Apple Stores may have no units available for walk-in customers on launch day.

Scarcity of Apple's new foldable iPhone Duo has sparked a resale market in Vietnam, where early pre-order slots are being offered at premiums of up to VND19 million (US$720) as buyers compete to secure the device ahead of its official delivery.