iPadOS 9.3.5 (build 13G36) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2016-08-25T16:53:25Z. The update package is 295.52 MB. This is a delta (partial) update that requires 9.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 074f2bcaf58c546f8553d73b7cedcc49bfff9dbd.zip.