iPadOS 12.1.3 (build 16D39) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2019-01-22T18:06:53Z. The update package is 1.19 GB. This is a delta (partial) update that requires 11.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b84db19873da27761c5832f41f03cbacaacfff50.zip.