iOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2018-10-30T17:17:50Z. The update package is 1.96 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: b78a96e232c3f2fdc3dee19ef44f8110d0892220.zip.