iOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2018-07-09T17:10:48Z. The update package is 199.32 MB. This is a delta (partial) update that requires 11.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c1cb4aecb09be7fa28e587c2cc9a60a9b729a3b0.zip.