iOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPhone 8 Plus (Global), released on 2018-07-09T17:09:17Z. The update package is 325.71 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: 45c295af8e4cfc92c55637e576f2b27f2fb798cc.zip.