iOS 11.4 (build 15F5079a) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2018-05-17T17:02:35Z. The update package is 314.27 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: 765b46f7b67e8422ea6834a1e4d3ab30502a3913.zip.