iPadOS 9.9.15.2 (build 19C6056) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2021-12-13T18:27:09Z. The update package is 3.74 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: a3c397e4b61c9565d43a3c17db246850d2046d91.zip.