iOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2018-10-30T17:15:37Z. The update package is 493.51 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: 951225b5905a862d8ec6fea40198b9822cce666a.zip.