iPadOS 9.9.13.1 (build 17A5837a) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, Cellular), released on 2019-09-10T20:14:33Z. 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: fbac67a9484a982f1e88ad10e55a7050cc257808.zip.