iPadOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2017-11-16T21:19:29Z. The update package is 163.16 MB. This is a delta (partial) update that requires 11.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7c463e1bda435ea780f1d2b44ce73f87c86c784d.zip.