iOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2018-07-09T17:10:53Z. The update package is 315.09 MB. This is a delta (partial) update that requires 11.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d71f4c749fb5cf4b5ad09c323d0329aeb98822be.zip.