iOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2018-07-09T17:10:47Z. The update package is 743.37 MB. This is a delta (partial) update that requires 11.2.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 31d94d9fa1ad08daacaaabb98e1badd9a22f22d3.zip.