Unable to determine if the display is genuine message, this message can be caused by two factors.1. display was replaced with after market one. 2. display was replaced with original part but by third party (not by apple store). This device has been fully tested and confirmed to be in complete working order. It is compatible with AT&T Network ONLY. The device is in used condition, exhibiting signs of use, including noticeable scratches and wear on the screen and body, with some deeper scratches present. Important battery message, maximum capacity 85%