iPadOS 12.1 (build 16B5077c) is an official Apple over-the-air update for the iPad Pro (10.5-inch, WiFi), released on 2018-10-09T17:05:36Z. The update package is 387.76 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: 1aa8c6d5d9f6e7cca916b1d619f906babb17c57f.zip.