The iPhone Duo is Apple's new foldable, starting at $1999 for 256GB and rising to $3199 for 2TB. It pairs a 7.6" folding display with a 5.4" outer screen and the same A20 Pro chip used in the iPhone 18 Pro line. Trade-in credit of $35 to $885 can be applied toward the purchase, and 0% APR financing is available. Preorders begin October 16, 2026, and they're expected to ship beginning October 23. Buy Now at Apple Features 7.6" Super Retina XDR folding inner display with a 5.4" outer display A20