iOS 12.1.1 (build 16C50) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2018-12-05T18:11:37Z. The update package is 1.48 GB. This is a delta (partial) update that requires 11.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 0fa741319c53bae6ec4a4c34049a78cecf58812c.zip.