iOS 12.4 (build 16G5077a) is an official Apple over-the-air update for the iPhone X (Global), released on 2019-07-16T17:39:30Z. The update package is 335.84 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: a9d5ff2202787132fc0b71588511167c940d847f.zip.