iOS 12.2 (build 16E5223a) is an official Apple over-the-air update for the iPhone XS Max, released on 2019-03-11T17:09:46Z. The update package is 268.8 MB. This is a delta (partial) update that requires 12.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 144b13efc74c686a64050f6da98010b6d410bbcc.zip.