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 312.75 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: 5152b699c0ccc97464a3e59f8fe0af81166cdda0.zip.