iPadOS 12.1.3 (build 16D5039a) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, Cellular), released on 2019-01-10T18:08:52Z. The update package is 324.21 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: d303e8c0be6c0bd952b6d308734d579e282e72a0.zip.