iPadOS 9.9.10.2.1 (build 14D5015) is an official Apple over-the-air update for the iPad Air (WiFi), released on 2016-12-20T18:02:07Z. The update package is 1.57 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: d43ad4b8c7daa2c3f5addcc4b74cb8edefeafe3d.zip.