iPadOS 13.3 (build 17C5046a) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2019-11-20T18:03:51Z. The update package is 322.66 MB. This is a delta (partial) update that requires 13.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d8b1929d23e84c5164b9a8318cfe6f8965eab05f.zip.