iPadOS 14.8.1 (build 18H107) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2021-10-26T17:00:00Z. The update package is 143.3 MB. This is a delta (partial) update that requires 14.8 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 01ab4e43ddc1cd29a85085f678391a910bc8b0c0.zip.