iOS 12.2 (build 16E5181f) is an official Apple over-the-air update for the iPhone XS Max, released on 2019-01-24T18:06:03Z. The update package is 705.8 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: 2172060642a0db0ed215250bf9f096142f4fdc59.zip.