iOS 12.4 (build 16G5046d) is an official Apple over-the-air update for the iPhone XS, released on 2019-06-11T17:07:36Z. The update package is 337.77 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: 64513475a65813630fcf07ff4e38cfed5060b23e.zip.