iOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2018-10-30T17:17:59Z. The update package is 475.66 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: d1103ef102402a8ab3ddf12f4eca67673701fa1b.zip.