iPadOS 9.9.15.3 (build 19D50) is an official Apple over-the-air update for the iPad Pro (12.9-inch, WiFi) (5th generation), released on 2022-01-26T18:14:18Z. The update package is 4.66 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: acb98ef14107aa1322e4cd8586032443d0f34e41.zip.