iPadOS 9.9.12.1 (build 16B5059d) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2018-09-18T17:20:11Z. The update package is 2 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: fddbe89a0a5ad64b77afa94c2833054ed27e73c8.zip.