iPadOS 9.9.13.3.1 (build 17D5026c) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, Cellular), released on 2019-12-17T18:13:15Z. The update package is 3.15 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4418c7358e40feadab8fc41a3d02f8043736a662.zip.