iPadOS 8.2 (build 12D5452a) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2014-12-18T17:46:26Z. The update package is 66.51 MB. This is a delta (partial) update that requires 8.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 5bba3f5f708659a94306d190c67200687a246d2e.zip.