iPadOS 9.3.5 (build 13G36) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2016-08-25T16:53:25Z. The update package is 273.06 MB. This is a delta (partial) update that requires 9.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 71cd1194558fa431aa88c1a8ff5fdfd692722a55.zip.