iOS 12.0 (build 16A5345f) is an official Apple over-the-air update for the iPhone 6, released on 2018-08-06T17:06:28Z. The update package is 1.21 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: 32a7e49dc0aca7cc26e7c74097c396d7fab1efd8.zip.