iPadOS 12.1.3 (build 16D5032a) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, WiFi), released on 2018-12-19T18:06:44Z. The update package is 222.5 MB. This is a delta (partial) update that requires 12.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ef29fc7f6be668ab65a2a5cb5e3570b3d4ec10e4.zip.