iOS 12.1.1 (build 16C5043b) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2018-11-07T21:09:13Z. The update package is 390.99 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: a9206bacc6f0abaa962d57845dff55894d0524ea.zip.