iPadOS 9.9.10.2.1 (build 14D27) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2017-01-23T18:07:47Z. The update package is 1.37 GB. This is a delta (partial) update that requires 8.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9ff6bcce9c7d3c1fc0ac806d7f8ad93b020df6dc.zip.