iPadOS 9.9.12.1 (build 16B5089b) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2018-10-22T17:01:39Z. The update package is 2.03 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f46dea5fb88a4ff93cafbd2c2935639171dbd727.zip.