iPadOS 9.9.11.1 (build 15B5066f) is an official Apple over-the-air update for the iPad Pro (10.5-inch, WiFi), released on 2017-09-27T16:55:41Z. The update package is 1.86 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: 0fbcf1463e770c32470570fa6a80dcb09470d0cb.zip.