Apple is taking a little bit of a gamble with iPhone Duo software: Will it pay off?

With the new iPhone Duo, Apple is taking a little bit of a software gamble. All apps, in order to take advantage of the larger inner display of iPhone Duo, will need to be recompiled for iOS 27.0 at a minimum. To use the Duo’s unique new tab bar and other UI components, you’ll need iOS 27.1 .