iOS 12.4 (build 16G5027g) is an official Apple over-the-air update for the iPhone X (GSM), released on 2019-05-15T17:05:39Z. The update package is 236.7 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: 0a1a05a972f4162def75346d84ce279107a9afda.zip.