iOS 11.4.1 (build 15G5054c) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2018-05-30T17:05:19Z. The update package is 274.07 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: 664096b3e6da93c366b3c99dcc633ec9a1d09de1.zip.