iPadOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2017-11-16T21:19:13Z. The update package is 163.72 MB. This is a delta (partial) update that requires 11.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 38fa44c0ff617366a0625d0ed59fba1097325239.zip.