Apple released iOS 27.2 on Monday, and it adds Apple Pencil support to the $1,999 iPhone Duo. MacRumors’ rundown of the update says the Duo now works with the Apple Pencil (USB-C). Apple had only promised the feature “later this year” when it unveiled the foldable in September.

If you own a Duo, you can update now under Settings, then General, then Software Update. You will need to buy the Pencil separately.

Only one Apple Pencil works

The Duo works only with the USB-C model, which costs $79. The more expensive Apple Pencil Pro, which sells for $129, won’t work. MacRumors reported the limit before the Duo went on sale, and the update doesn’t change it. PhoneArena’s coverage says the Pencil works on both the outer and inner screens, so you can write on the small cover display or the big folded-out one.

The USB-C Pencil is the simpler of the two. It skips features such as squeezing the barrel for shortcuts and a tap on the side to switch tools.…