iPadOS 13.3 (build 17C5038a) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, WiFi, 1TB Model), released on 2019-11-12T18:12:50Z. The update package is 368.83 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: c7dc262f691352f2f72817e50fa3d84be220519b.zip.