iOS 12.0 (build 16A5357b) is an official Apple over-the-air update for the iPhone 8 Plus (Global), released on 2018-08-15T17:06:51Z. The update package is 1.39 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: 97f2a18ba5f1a79c14f3f2d4e7409a5ea3968f7d.zip.