iOS 11.4 (build 15F79) is an official Apple over-the-air update for the iPhone 8 Plus (Global), released on 2018-05-29T17:15:40Z. The update package is 761.52 MB. This is a delta (partial) update that requires 11.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1ced1fff6919c064480c3f3e7a5f7257d4192528.zip.