2 publications · 2 reports
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Apple engineers revealed details about the thermal design of the foldable iPhone Duo, which incorporates a flexible graphite pipe passing through the device's hinge. The system is designed to move heat between both halves of the phone, effectively doubling the surface area available for dissipation. [1][2]
The phone also features a vapor chamber connected directly to the A20 Pro chip using a metal-over-foam structure. Additionally, the foldable variant of the A20 Pro includes a second display engine to power the inner and outer screens simultaneously, alongside support for an under-display camera. [1]
While a folding iPhone posed a new challenge for Apple’s thermal engineering team, they came up with a creative way to leverage the device’s hinge to their advantage. Here are the details.
Excerpt · 9to5Mac
The iPhone Duo is taking thermal management very seriously, and that includes adding some super cool kit to the hinge.
Excerpt · Tom’s Guide