iPadOS 13.4 (build 17E5255a) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2020-03-10T17:21:03Z. The update package is 75.73 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: 081a5cd4a0f9adfd47e7a4020677a7af2de5d918.zip.