iPadOS 9.9.15.4 (build 19E6241) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2022-03-14T17:13:09Z. The update package is 3.79 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: 58601ed34159de4e3216ccae945edc1c62f7f70c.zip.