Apple stands on the verge of its most expensive iPhone yet. One that folds in half. Industry watchers have tracked this project for years. Now fresh leaks and supply chain signals point to a September 2026 debut alongside the iPhone 18 Pro models. The device could carry a starting price north of $2,000. And it promises to sidestep the visible creases that have long defined rival foldables. Details remain fluid. But a clear picture has emerged from analysts, leakers and prototype sightings. The phone adopts a book-style design. It opens to reveal an inner display measuring roughly 7.8 inches. When closed it offers a shorter, wider outer screen around 5.5 inches. Both use OLED panels from Samsung. The unfolded form stretches wider than tall. It echoes the proportions of an iPad mini more than any prior iPhone. Digital Trends reports the device measures less than 5 millimeters thick when open. That would make it the thinnest iPhone ever produced. But thickness tells only part of the story.…