iPadOS 9.9.12.1.1 (build 16C5036c) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, WiFi, 1TB Model), released on 2018-10-31T17:03:52Z. The update package is 2.56 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 3d95b9e2d3767ddecd004ddcf975283d64cc2715.zip.