iPadOS 12.1.1 (build 16C5036c) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2018-10-31T17:03:48Z. The update package is 345.21 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: 15ff530990d6043f1d71a3314a91b160274db469.zip.