iOS 11.4.1 (build 15G5072a) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2018-06-18T17:05:34Z. The update package is 170.54 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: 1c1e2351976c717f04adf781be2b35cd915d6a28.zip.