GoKawiiliFixit teardown reveals iPhone 18 Pro's mechanical aperture and redesigned chip cooling
iFixit's teardown of the iPhone 18 Pro and Pro Max found Apple's first variable aperture camera, using six hair-thin blades that slide with high precision to control light intake. The report also revealed a new chip packaging layout that places the A20 Pro processor beside its memory rather than stacked, separating memory from the chip's heat path, and noted that three of four test units cracked their display frames during battery removal.
GoKawiil's interpretation of the reporting above, not reported fact.
A mechanical aperture is a significant engineering step for Apple, but it introduces a new failure point that could force costly full camera-module replacements if a blade jams. The chip repackaging suggests Apple is prioritizing thermal management for sustained performance, likely tied to more demanding on-device AI workloads, while the fragile display frame hints at trade-offs in repairability despite an otherwise serviceable design.
- iPhone 18 Pro is Apple's first phone with a variable mechanical aperture, using six ultra-thin blades.
- A stuck aperture blade would likely require replacing the whole camera assembly, though iFixit calls the swap process itself painless.
- New chip packaging separates the A20 Pro die from its memory to improve thermal performance, though the plastic display frame proved fragile during teardown.
Apple iPhone 18 Pro — This is the exact device the teardown covers, featuring Apple's first mechanical variable aperture camera and a redesigned thermal system. If you're curious about these engineering advances firsthand, getting the phone itself is the best way to experience the new camera versatility and improved sustained performance.
See Apple iPhone 18 Pro on Amazon → Affiliate link — we may earn a commission on purchases, at no extra cost to you. Product picked by AI based on this article; it is not a tested recommendation.Source: techspot.com — Shawn Knight, 2026-09-21
Published there as: “iPhone 18 Pro teardown highlights mechanical camera aperture and a major thermal redesign”
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