iPadOS 9.9.11.1 (build 15B6101) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, Cellular), released on 2017-10-31T16:59:04Z. The update package is 1.88 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: 13d8534251a44446acd54f5e6e6583208bf312f8.zip.