iPadOS 9.9.11.4 (build 15F79) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2018-05-29T17:14:57Z. The update package is 1.35 GB. This is a delta (partial) update that requires 9.3.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a766f527d3bdd10b728b0a3440c02ab031f02294.zip.