iOS 11.4 (build 15F79) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2018-05-29T17:17:07Z. The update package is 307.06 MB. This is a delta (partial) update that requires 11.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f6d9803e8bddbfea8b853d33e289ed0c2fc51842.zip.