iPadOS 9.9.13.4 (build 17E6255) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, WiFi), released on 2020-03-18T17:21:49Z. The update package is 3.19 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: 13aeeb352ae185e66f4259aab8da7c02b3e75446.zip.