iPhone Duo Screen Protector Wholesale: Custom Tempered Glass for the 5.4" Outer Display Apple's first foldable, the iPhone Duo, goes on sale October 23 — a 7.6-inch foldable inner display paired with a 5.4-inch (1398×2034) outer display that handles everyday phone tasks. At $1,999, buyers will protect it from day one. That makes the Duo launch a sourcing window for distributors: the accessory wave always follows the device wave. Which screen takes tempered glass? Only the outer display. The 5.4-inch cover screen is flat, rigid, and used for calls, messages, and quick tasks — a standard tempered glass protector fits [...]