iOS 12.1 (build 16B5068i) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2018-10-02T17:12:10Z. The update package is 293.97 MB. This is a delta (partial) update that requires 12.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 436203b0eeec3a3d01177ddb7928560886de5a7a.zip.