iPadOS 12.1.3 (build 16D39) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2019-01-22T18:07:09Z. The update package is 1.19 GB. This is a delta (partial) update that requires 11.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c955392646b84d75cf183a7c78a3679bf84e1a28.zip.