iPadOS 9.9.11.1 (build 15B5086a) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, WiFi), released on 2017-10-16T17:04:09Z. The update package is 1.85 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: c4d273a1066ceb5431a03f9dd7d59baa085e88c2.zip.