iPadOS 13.3 (build 17C5046a) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, WiFi), released on 2019-11-20T18:04:08Z. The update package is 135.05 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: af93660c1ff15ca6008b4f1a1c7630bff15a5bfc.zip.