iOS 11.4 (build 15F5077a) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2018-05-14T17:17:24Z. The update package is 314.18 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: 1950a654f57f791292ea2e9970fdbf7135795408.zip.