iPadOS 9.9.13.1 (build 17A5831c) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, WiFi), released on 2019-09-04T17:05:47Z. The update package is 2.8 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: 0ea337ec39f4e39b3f883d9b9bd58cb3373ae6dd.zip.