iPadOS 12.1.3 (build 16D39) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2019-01-22T18:06:57Z. The update package is 215.42 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: 3c0d4d0ec42c075890a03c2a07bccada586fbbd2.zip.