iPadOS 9.9.11.1 (build 15B92) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2017-10-20T17:05:29Z. 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: 7318b7f7338715153f6b6880faa199d8c30d0621.zip.