iPadOS 12.1.1 (build 16C5043b) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2018-11-07T21:08:38Z. The update package is 323.36 MB. This is a delta (partial) update that requires 12.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4648f140e1a61a4121411330329bd743cd78248f.zip.