iPadOS 12.1.3 (build 16D5037a) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, Cellular, 1TB Model), released on 2019-01-07T18:06:58Z. The update package is 136.72 MB. This is a delta (partial) update that requires 12.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 488f14d9d5dc1c2ebeac6416c238149bdaee42fc.zip.