iOS 12.4 (build 16G5056d) is an official Apple over-the-air update for the iPhone X (GSM), released on 2019-06-24T17:17:23Z. The update package is 339.89 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: aa2f7ff000e6bff0135443746befba681a9b51e8.zip.