iOS 13.3 (build 17C5053a) is an official Apple over-the-air update for the iPhone 11 Pro Max, released on 2019-12-05T21:11:33Z. The update package is 652.25 MB. This is a delta (partial) update that requires 13.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e779f3e6825305ea8792051fb4aa723dff12f306.zip.