iPadOS 12.1.3 (build 16D5039a) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2019-01-10T18:08:41Z. The update package is 35.04 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: 8728fa810c4726e2313492b07e1f1804b8cca8f2.zip.