iPadOS 12.1.3 (build 16D5039a) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, Cellular), released on 2019-01-10T18:08:48Z. The update package is 98.73 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: e1035d26822b9ecfec40ce3e3c1ce82890bfb976.zip.