iOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2018-07-09T17:10:54Z. The update package is 199.64 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: a546316fe6c269f8c0d6f088177d056ce520a077.zip.