iPadOS 12.1 (build 16B5089b) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2018-10-22T17:01:46Z. The update package is 389.11 MB. This is a delta (partial) update that requires 12.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 8ec8c6fd8db8b38c2d7b59831ed8db158577e635.zip.