iPadOS 9.9.11.4 (build 15F79) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2018-05-29T17:15:04Z. The update package is 1.42 GB. This is a delta (partial) update that requires 9.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 07c297d8246aa72903b75e29900e70c34f24bbb6.zip.