iPadOS 9.9.12.1.1 (build 16C5050a) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2018-11-15T18:04:42Z. The update package is 2.27 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: 6cfb05da6b7678ba8cc93d7ba0ab54d1eb084bce.zip.