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.