iPadOS 13.4 (build 17E5255a) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, Cellular), released on 2020-03-10T17:21:14Z. The update package is 824.13 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: 355cb41a079fc58eb9fd6b1265947f7647fcc347.zip.