Apple has officially entered the foldable smartphone market with the launch of the iPhone Duo, its first foldable iPhone. Unveiled on September 9, 2026, the device features a 5.4-inch outer display and a 7.6-inch inner display, giving users a compact experience when folded and a larger canvas when unfolded. Apple says the two displays share the same aspect ratio, while iOS is designed to transition content smoothly between the outer and inner screens. For consumers, this is a