iOS 12.1.1 (build 16C5043b) is an official Apple over-the-air update for the iPhone 8 Plus (Global), released on 2018-11-07T21:08:51Z. The update package is 355.37 MB. This is a delta (partial) update that requires 12.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 105248b228f6f9db1e4e9f1c5b05814d6ded9f8f.zip.