iPadOS 12.1.3 (build 16D39) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2019-01-22T18:08:09Z. The update package is 1.8 GB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 5cd7493b869e5f763d37ccfddd88197d0c4ae114.zip.