Early iPhone Duo buyers report inner display damage caused by a potential hinge defect

Buyers of Apple's first foldable, the iPhone Duo, are reporting a serious issue online with their purchase. All reports demonstrate a common pattern of a vertical and a horizontal line appearing on the inner display as a result of a potential hinge malfunction. Image source: scary_duck23 (Reddit) According to these reports, at some point after the purchase of the phone, the hinge felt unusually stiff and opening the phone required some effort. When the user pushed past the resistance, a popping or cracking sound was heard from the hinge, and a permanent vertical and horizontal line...