iOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2018-10-30T17:17:30Z. The update package is 1.84 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: 9b28dd653161fe9f8350d7b5b826085a9eb4535b.zip.