iOS 12.4 (build 16G5046d) is an official Apple over-the-air update for the iPhone XR, released on 2019-06-11T17:07:38Z. The update package is 334.1 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: c7fa36ada6e1f2697e90279ff8c05d824494e793.zip.