iPadOS 13.4 (build 17E5241d) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2020-02-26T18:17:27Z. The update package is 727.9 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: bb3ff55050725b4cad538f16bbe85747dd894e42.zip.