iOS 13.3 (build 17C5046a) is an official Apple over-the-air update for the iPhone 11 Pro Max, released on 2019-11-20T18:04:24Z. The update package is 180.05 MB. This is a delta (partial) update that requires 13.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a9af02868f6f413a2f436cb63fb1f09ae580abe1.zip.