iOS 13.3 (build 17C5046a) is an official Apple over-the-air update for the iPhone 11 Pro, released on 2019-11-20T18:04:23Z. The update package is 180.3 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: 7208fe031a1c5141a98d2784c423b5c1ee2dcb9d.zip.