iPadOS 12.1.3 (build 16D39) is an official Apple over-the-air update for the iPad Pro (10.5-inch, WiFi), released on 2019-01-22T18:07:56Z. The update package is 1.8 GB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e10414425a333db73939e000716e89921aaf9af3.zip.