iPadOS 12.1.3 (build 16D5037a) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2019-01-07T18:06:51Z. The update package is 74.35 MB. This is a delta (partial) update that requires 12.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f6cb706104f9e8783f8244b1ce5df62aaa586774.zip.