iOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPhone 6+, released on 2018-07-09T17:09:44Z. The update package is 745.86 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a19042efd90d57dd9f15ee0c29f1849256a4f40d.zip.