iPadOS 12.1 (build 16B5084a) is an official Apple over-the-air update for the iPad Pro (10.5-inch, WiFi), released on 2018-10-15T17:03:13Z. The update package is 170.4 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: c1d7e6f30d3654e23fb0d1a175a6ab7861dab13e.zip.