iPadOS 13.3 (build 17C5038a) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, WiFi), released on 2019-11-12T18:12:46Z. The update package is 368.82 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: 5727d3943d9f21f7d8984087a8bb78a3ecc499f1.zip.