iOS 12.0 (build 16A5354b) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2018-08-13T17:03:52Z. 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: 364d8a037a3bc8ec39ca1c0cf060afc95d81ac09.zip.