Unfolded iPhone Duo Lets You Preview Documents in a Two-Page Layout

The iPhone Duo’s Quick Look feature appears to have a two-page layout option when the foldable is held in its open-book orientation, based on a new finding by code explorer pdfu.

A video clip shared on X shows an Apple Style Guide document previewed across both halves of the unfolded iPhone, with consecutive pages displayed side by side like a spread. When navigating the document, the Quick Look interface displays search, markup, and share controls along the right-hand side.

The layout would make Quick Look the latest feature to take advantage of the Duo’s wide-format display. Apple has already detailed how iOS 27 adapts interfaces for the device, including angle-aware layouts and side-by-side multitasking.

Quick Look on iPhone Duo has a new two-page layout in the open book position. https://t.co/gZtSH49rp1— pdfu (@itspdfu) October 6, 2026

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