iOS 12.0 (build 16A366) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2018-09-12T19:08:47Z. The update package is 1.42 GB. This is a delta (partial) update that requires 11.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9a849e4666b35af60f3d1f3173d8ba7ec909a290.zip.