iPadOS 9.9.13.4 (build 17E6255) is an official Apple over-the-air update for the iPad Pro (10.5-inch, WiFi), released on 2020-03-18T17:21:48Z. The update package is 2.91 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: c28fe61b9da72117acae7a971908cd685388fce1.zip.