iOS 12.1.1 (build 16C5043b) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2018-11-07T21:08:50Z. The update package is 408.82 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: 5d14aeb30f4679c9c2945119c3422d9ff47384b9.zip.