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 232.2 MB. This is a delta (partial) update that requires 12.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: afcf58a3f5955959d885c87a2e0281b7ab53dd52.zip.