iPadOS 9.9.12.1.4 (build 16D6057) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2019-02-07T18:05:57Z. The update package is 2.12 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: 565e7622fdb61377a894ea94c4be8737b71f9781.zip.