iOS 12.0 (build 16A366) is an official Apple over-the-air update for the iPhone 6+, released on 2018-09-12T19:11:00Z. The update package is 1.38 GB. This is a delta (partial) update that requires 11.2.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 6ed799f272380a1b210a1fb9ff94ed04373e7053.zip.