GoKawiilVideo compares folding iPhone Duo's dimensions against iPhone 18 Pro Max
An Instagram video from @thetechchap places the rumored iPhone Duo side by side with iPhone 18 Pro Max, using Apple's listed technical specs. Unfolded, the Duo measures 6.48 inches wide and 4.64 inches tall, closely matching the Pro Max's 6.43-inch height, while folded it shrinks to 3.31 by 4.64 inches.
GoKawiil's interpretation of the reporting above, not reported fact.
The comparison suggests that in certain orientations the two phones have nearly identical length, even though the Duo's unfolded screen is described as the largest ever on an iPhone. The ability to fold could make the Duo more compact for carrying and one-handed use, a tradeoff that may factor into how buyers choose between a slab phone and a foldable.
- iPhone Duo's unfolded width (6.48in) nearly matches iPhone 18 Pro Max's height (6.43in)
- Folded, iPhone Duo shrinks to 3.31 x 4.64 inches for more compact carrying
- Video comparison is based on Apple's published technical specifications
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See Apple iPhone 18 Pro Max case 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: 9to5mac.com — Ryan Christoffel, 2026-10-02
Published there as: “iPhone Duo video reveals size compared to iPhone 18 Pro Max”
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