iOS 12.0 (build 16A5365b) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2018-08-27T17:02:46Z. The update package is 1.35 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: 4acc0497dded622b439ce2b43a977cffc51f01e1.zip.