Apple didn’t announce a folding iPhone at WWDC 2026. Instead, the company’s final developer conference keynote under Tim Cook focused almost entirely on software, from iOS 27 and Siri AI to upgrades for Apple Music and CarPlay. But buried inside Apple’s freshly released iOS 27 beta are what could be the strongest signs yet that its first foldable iPhone is finally on the way.
Developer Sam Henri Gold discovered on X several references within iOS 27’s frameworks that appear to relate directly to foldable hardware. These include code strings labelled “foldState” and “angleDegrees”, along with a new key designed to determine how many built-in displays a device has. Multiple outlets have also independently verified the references and report that they weren’t present in iOS 26.
On their own, those terms don’t explicitly mention a foldable iPhone. Together, though, they paint a pretty convincing picture. “foldState” suggests software that can detect whether a device is open or closed, while “angleDegrees” appears capable of tracking how far a hinge has been opened. Support for multiple integrated displays is exactly the sort of functionality a book-style foldable would require.
The discoveries also arrive alongside another intriguing iOS 27 change. During Apple’s Platforms State of the Union presentation, the company highlighted new app resizability features designed to help developers create interfaces that adapt more smoothly to different screen sizes and window configurations. Apple framed the change as a software improvement, but many observers believe it could also help lay the groundwork for future foldable devices.
That’s particularly interesting because reports throughout the past year have consistently pointed towards Apple’s first foldable arriving in late 2026. Recent rumours suggest a book-style design with a tablet-sized inner display, premium pricing, and a launch alongside the iPhone 18 family. While Apple has yet to officially acknowledge such a device, analysts and leakers have increasingly converged on this year’s launch window.
None of this amounts to an official announcement, of course. Apple frequently builds support for future hardware into its software long before products reach store shelves, and there’s always a chance these references relate to internal testing rather than a shipping device.
Still, when a brand-new version of iOS suddenly starts talking about hinge angles, folding states, and multiple displays, it’s becoming increasingly difficult to ignore the possibility that Apple’s folding iPhone is finally around the corner.
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