iPadOS 9.9.10.2.1 (build 14D23) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2017-01-09T17:55:36Z. The update package is 1.62 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: 57e30f8b8388f73d06e6d2b0a3f8c1fb32ca0341.zip.