iPadOS 9.9.12.2 (build 16E227) is an official Apple over-the-air update for the iPad Air 3 (WiFi), released on 2019-03-25T19:06:32Z. The update package is 2.27 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: 5b4f746ac22109ed499ba0359002e17904705d86.zip.