iPadOS 9.9.15.3.1 (build 19D6052) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2022-02-10T18:14:11Z. The update package is 3.94 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: 26318b067b13f3e255176467980ffffd88e5bb7f.zip.