iPadOS 9.9.12.3 (build 16F156) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2019-05-13T17:07:49Z. The update package is 2.1 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: 598e7ae1c2e2e38dc8377e255acda54b9934580d.zip.