iPadOS 9.9.12.1.4 (build 16D6057) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, WiFi, 1TB Model), released on 2019-02-07T18:06:01Z. The update package is 2.57 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: 8ae3e0ac88c82017e8547d9b6cfbe7581d12a64c.zip.