iPadOS 12.1.3 (build 16D39) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2019-01-22T18:06:54Z. The update package is 1.18 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: ba061fbdc3f729dc4e50c39b7797aa8cdfe188d1.zip.