iPadOS 13.3 (build 17C5053a) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, Cellular), released on 2019-12-05T21:11:23Z. The update package is 89.93 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: 04e08f5889e98263d1230bb2a11b96b9b3f300f2.zip.