iPadOS 9.9.12.1.4 (build 16D6057) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2019-02-07T18:05:58Z. 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: 97889b5cd1b6dee4447b92c8e5f5515800ad507a.zip.