iPadOS 9.9.13.1.3 (build 17A6878) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, Cellular), released on 2019-10-15T17:06:52Z. The update package is 2.84 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: 1fdb8e06c010c2070b25d9b19097df52aa75f07d.zip.