iPadOS 9.9.11.1 (build 15B5086a) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2017-10-16T17:04:11Z. 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: 83389070cb12efc01dbdd74dd94b82160a472540.zip.