iOS 11.4 (build 15F79) is an official Apple over-the-air update for the iPhone 8 Plus (Global), released on 2018-05-29T17:15:39Z. The update package is 867.92 MB. This is a delta (partial) update that requires 11.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f1430b4a9390d8b646e4d68a0dd936ca08738f1b.zip.