A shorter Apple Pencil for the iPhone Duo was in development, but Apple scrapped it due to "technical problems ahead of mass production," according to Bloomberg's Mark Gurman. A shorter Apple Pencil for the iPhone Duo was in development, but Apple scrapped it due to "technical problems ahead of mass production," according to Bloomberg's Mark Gurman.

Apple's foldable iPhone Duo will come with Apple Pencil support, reports Bloomberg's Mark Gurman. Gurman previously claimed that Apple had prototyped a dedicated Apple Pencil for its foldable iPhone that was "stubbier than the versions for iPads" and "designed to magnetically attach and charge on the side of the device," but he said it was unlikely that the accessory would be released.