iOS 12.2 (build 16E5227a) is an official Apple over-the-air update for the iPhone XS Max, released on 2019-03-18T17:07:16Z. The update package is 793.08 MB. This is a delta (partial) update that requires 12.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a842a50c2886dc69d0ed6cd0f6ed7318efc66238.zip.