Inside the iPhone Duo's groundbreaking hinge's innovations

appleinsider.com Oct 22, 2026

Inside the iPhone Duo’s groundbreaking hinge’s innovations

Curated by Shubham · TechCapsules · Oct 22, 2026

AI-summarised brief · reviewed before publication

YouTuber HTX Studio performed a CT scan of the iPhone Duo’s hinge, revealing its internal architecture and limits. The scan shows the hinge contains 100 parts arranged in six sections: outer edge hinges, a shaft, interlocking gears, spring‑cam assemblies, and a flex‑cable channel. The device rests between 15° and 145°; magnets snap it shut below 15°, and a lock engages above 145°. Spring‑cam pairs generate frictional torque that resists folding until force is applied, while top‑bottom sections keep both halves synchronized. The bending space measures 3.

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