iPadOS 12.1.3 (build 16D39) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2019-01-22T18:07:23Z. The update package is 1.24 GB. This is a delta (partial) update that requires 11.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 0cf59e3d53e8fe3e604b799be14e1f476ec6e1e7.zip.