The iPhone Duo’s cooling system hides a clever trick inside its hinge
AI-summarised brief · reviewed before publication
Apple’s new A20 Pro chip, first 2 nm iPhone SoC, powers the iPhone 18 Pro, Pro Max, and the folding iPhone Duo. The Duo version adds a second display engine and a rear‑display FaceTime camera, requiring extra thermal management. Apple introduced a “metal‑over‑foam” layer linking the chip to a vapor chamber and routed a flexible graphite pipe through the hinge to transfer heat between folded halves. Engineers spent months refining the material to meet mechanical and thermal demands.
💡 Why It Matters
- · The hinge‑based heat pipe demonstrates how Apple’s design teams innovate to keep foldable phones cool, a critical hurdle for future flexible devices.