iPadOS 13.4 (build 17E5255a) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, Cellular, 1TB Model), released on 2020-03-10T17:21:18Z. The update package is 104.92 MB. This is a delta (partial) update that requires 13.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 87ea394722ff0cd05dd4fe5efd9376f0781c194a.zip.