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 2019-01-22T18:07:52Z. The update package is 1.31 GB. This is a delta (partial) update that requires 11.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2593a8fcacd34fdc4f68248640d39a35ef1eab5d.zip.