iPadOS 13.4 (build 17E5241d) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2020-02-26T18:17:28Z. The update package is 727.85 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: db9848201a89c2d21576d8fd0bddf3b61b2805a3.zip.