iPadOS 9.9.10.2.1 (build 14D23) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2017-01-09T17:55:37Z. The update package is 1.68 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: d294fef67b5c17107dd43ecbd33aea39c715f2c7.zip.