iPadOS 8.2 (build 12D5461b) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2015-01-12T17:54:05Z. The update package is 294.6 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: 99c1acaa8f95b1398f3990fd5ddcfbe0cb64b7ec.zip.