iOS 12.1.1 (build 16C5036c) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2018-10-31T17:04:06Z. The update package is 390.96 MB. This is a delta (partial) update that requires 12.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 32e3a8fd0ee9c397ac180c2d28803d999a207413.zip.