iPadOS 8.2 (build 12D5508) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2015-03-09T18:49:01Z. The update package is 1.49 GB. 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: c1586bc128f44bc48cfe993e1cfd0c5e70498123.zip.