iPadOS 9.9.15.2 (build 19C56) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2021-12-13T18:27:41Z. The update package is 3.89 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: d2a856f8a9240a0745a4109a5f25dcba7fca1053.zip.