iOS 12.1.1 (build 16C50) is an official Apple over-the-air update for the iPhone 7 Plus (GSM), released on 2018-12-05T18:11:53Z. The update package is 1.97 GB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2955095263d4ab259744cfd0c5424d747803b6f9.zip.