iPadOS 13.4 (build 17E5255a) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2020-03-10T17:21:09Z. The update package is 741.73 MB. This is a delta (partial) update that requires 13.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d13f0f98095f5c048a8e1ababd002a91670203bd.zip.