iOS 12.0 (build 16A366) is an official Apple over-the-air update for the iPhone 7 Plus (GSM), released on 2018-09-12T19:13:05Z. The update package is 1.47 GB. This is a delta (partial) update that requires 11.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 3df9f634f97f2af2ea9737c453a5d21773d5a561.zip.