The hinge for Apple’s new foldable phone was built with AI

In Brief

12:21 PM PDT · September 9, 2026

Apple’s long-awaited foldable phone, the Duo, contains a number of surprises, including a critical hinge that was designed and built with the help of AI and 3D printing.

The new phone represents Apple’s first entry into the foldable phone genre — a category of devices that has seen significant consumer enthusiasm, but whose form factors haven’t always lived up to that enthusiasm. As you might expect from a product that, by design, undergoes twice as much wear as a traditional device, most foldables suffer significant degradation and don’t have the durability of other smartphones.

Apple claims that it has integrated innovative protections into the Duo’s design to keep the phone from falling prey to the typical wear and tear associated with foldables. That includes the hinge, according to Johny Srouji, the company’s chief hardware officer.

“During manufacturing, we use AI algorithms...

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