iOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2018-10-30T17:17:31Z. The update package is 1.51 GB. This is a delta (partial) update that requires 11.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b6cdf6c153077a00b6396252dc82468ac8f961cf.zip.