iOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPhone 7 Plus (GSM), released on 2018-07-09T17:11:05Z. The update package is 314.34 MB. This is a delta (partial) update that requires 11.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 65ca05b9380778e81610c6cb01f1d7679c4804e8.zip.