iPadOS 13.4.5 (build 17F5044d) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2020-04-15T17:15:13Z. The update package is 182.8 MB. This is a delta (partial) update that requires 13.4.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 638bb3769b01d57ee9a99905796a4235b78bec55.zip.