iPadOS 9.9.12.1 (build 16B5089b) is an official Apple over-the-air update for the iPad Pro (10.5-inch, WiFi), released on 2018-10-22T17:01:46Z. The update package is 2.19 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: a358eb42076b20d2fe907700079f2ada68ac203e.zip.