iPadOS 9.9.11.1.2 (build 15B202) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2017-11-16T21:19:03Z. The update package is 1.26 GB. This is a delta (partial) update that requires 9.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 0392ae29a5b093466b901af652195db7f40493de.zip.