iOS 12.1.1 (build 16C50) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2018-12-05T18:11:38Z. The update package is 508.56 MB. This is a delta (partial) update that requires 12.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ff6dd3399dcddcd721ca6937eca0a8e77c74175e.zip.