iOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPhone 7 Plus (GSM), released on 2018-07-09T17:11:02Z. The update package is 864.06 MB. This is a delta (partial) update that requires 11.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: dee9fd4e9b1c69fbf15b08c12df98abb04f10620.zip.