iPadOS 12.1 (build 16B5089b) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2018-10-22T17:01:38Z. The update package is 140.44 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: 1654b4c106ee7cbeb3f702335c96df47d8c42636.zip.