iOS 12.0 (build 16A366) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2018-09-12T19:08:46Z. The update package is 1.46 GB. This is a delta (partial) update that requires 11.2.6 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c7e4418759f05cbd814fb6a5239e592ee557b8c5.zip.