iOS 12.4 (build 16G5046d) is an official Apple over-the-air update for the iPhone X (GSM), released on 2019-06-11T17:07:35Z. The update package is 328.56 MB. This is a delta (partial) update that requires 12.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 324a5f48515aa178d91cb64a1fb493cf640bed7f.zip.