iOS 12.4 (build 16G5038d) is an official Apple over-the-air update for the iPhone X (Global), released on 2019-05-28T17:07:37Z. The update package is 230.16 MB. This is a delta (partial) update that requires 12.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 91bfcd29c91e4246c5e72348d418c944ff4d3bc2.zip.