iOS 12.1 (build 16B5077c) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2018-10-09T17:05:40Z. The update package is 368.4 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: ebbe6f6d817d89a86614b78de3eb1be177eac6bf.zip.