iOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPhone X (Global), released on 2018-07-09T17:09:19Z. The update package is 300.69 MB. This is a delta (partial) update that requires 11.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 973e2c4daa909b1000caa577a950dd0fa4b27224.zip.