iOS 12.0 (build 16A5318d) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2018-07-03T17:05:32Z. The update package is 551.29 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: 38ed7135f3cab0b7f73e4bb811a25cecb3de1aec.zip.