iPadOS 12.1.3 (build 16D40) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, WiFi, 1TB Model), released on 2019-01-22T18:14:56Z. The update package is 376.91 MB. This is a delta (partial) update that requires 12.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 10c8f96be06565a2dff0ff65c9a49e423a7248b2.zip.