iPadOS 9.9.10.2.1 (build 14D23) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2017-01-09T17:55:36Z. The update package is 1.66 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: dbddcc9832f640e14af8adb573a09e8985f3a1ac.zip.