iOS 12.1 (build 16B5077c) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2018-10-09T17:06:10Z. The update package is 566 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: 7f928a6305012a04be0ca0f88957f36f8142f2f3.zip.