iOS 12.0 (build 16A5318d) is an official Apple over-the-air update for the iPhone 8 Plus (Global), released on 2018-07-03T17:05:30Z. The update package is 1.29 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: 3f58c8062bf4ac165ecfb461ed6dcdcbdd34e6fd.zip.