iPadOS 9.9.15.4 (build 19E241) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2022-03-14T17:14:04Z. The update package is 3.91 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: 7e925ed400161e7bcce0777717b73954a638e1e0.zip.