iOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPhone X (Global), released on 2018-07-09T17:09:20Z. The update package is 214.78 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: 0ca55973e3f4ab0074ada7f4ab4024971880555b.zip.