iPadOS 12.1.3 (build 16D39) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, Cellular), released on 2019-01-22T18:07:49Z. The update package is 1.36 GB. This is a delta (partial) update that requires 11.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 797ec9fc7f45e6c7abca179af001adae0576f001.zip.