iOS 11.4 (build 15F79) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2018-05-29T17:17:05Z. The update package is 862.66 MB. This is a delta (partial) update that requires 11.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 63f692a17191f49c3d32a06e64df9abb96a0c04a.zip.