iPadOS 9.9.13.3.1 (build 17D5044a) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2020-01-14T18:20:36Z. The update package is 2.61 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: 34c46fc809cfbd4d037b88392eca57643e7d8b79.zip.