iPadOS 9.9.17.2 (build 21C6062) is an official Apple over-the-air update for the iPad Pro 4 (12.9-inch, WiFi), released on 2023-12-11T18:15:33Z. The update package is 5.65 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: 58f61e4c409ef0a6fca359e0f313798bcb1687ac.zip.