iOS 12.0 (build 16A5327f) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2018-07-17T17:06:06Z. The update package is 1.32 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: de4f92029be26bb313693c97fd4cd33c444d1764.zip.