Apple released the latest beta builds of its operating systems this week, including iOS 27.3, and the update brings a new accessibility option to the iPhone Duo, the company's first foldable. The feature, reachability, is aimed at making the device easier to operate with one hand. The beta also includes a redesigned Health app and a set of new Siri AI actions for various apps.
On the iPhone Duo, reachability works differently than on Apple's other phones. Swiping outward from either edge of the exterior display causes iOS to shift the screen's contents closer to the user's thumb, as MacRumors noted. Apple's example use case involves a right-handed user pulling a browser window toward the side so the back button, typically located on the left of the screen, is easier to tap.
The option is turned on in the Settings app. Users go to Accessibility, then Touch, and toggle the feature on from there.
Reachability itself is not new to Apple devices. The company first introduced it on the iPhone 6 in 2014 as a way to make phones with larger displays easier to use. On most iPhones, the feature moves screen contents downward rather than to the side.
The addition is a welcome one for the iPhone Duo, which carries a 5.4-inch OLED display on its exterior. The side-to-side behavior of reachability on the foldable reflects the device's different form factor compared with Apple's standard handsets.
The feature arrives as part of the iOS 27.3 beta cycle, which Apple deployed this week alongside beta builds of its other operating systems. The Health app redesign and the new Siri AI actions are also part of the same beta release.
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