iOS 12.4 (build 16G5046d) is an official Apple over-the-air update for the iPhone XS Max, released on 2019-06-11T17:07:38Z. The update package is 251.82 MB. This is a delta (partial) update that requires 12.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d40d64cd986a19df2be94eb60010aa30692b3aea.zip.