iOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2018-10-30T17:17:52Z. The update package is 1.52 GB. This is a delta (partial) update that requires 11.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9bdecb0b552c558ac2cf0a8f0739394c16541f26.zip.