iPadOS 12.1.3 (build 16D39) is an official Apple over-the-air update for the iPad Pro (10.5-inch, WiFi), released on 2019-01-22T18:08:06Z. The update package is 301.18 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: 3e896d2b16a1d14bbe0bb606d67c0cea60964247.zip.