iOS 11.4.1 (build 15G5074a) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2018-06-25T17:06:34Z. The update package is 46.88 MB. This is a delta (partial) update that requires 11.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7c518982b6f9921c949af88c1d2bdb650ae3232f.zip.