Apple unsure when more foldable iPhones will be available after selling out BBCI tested Apple’s $2,000 iPhone Duo. It’s a fascinating experiment, but the price is hard to justify. AxiosYou’ll Never Guess How Scalpers Are Reportedly Snagging Rare iPhone Duos GizmodoApple is ‘not able to predict’ when it’ll have enough iPhone Duos to go around The VergeApple says it’s ‘really hard’ to predict when iPhone Duo supply will catch up to demand Business Insider