iPadOS 8.2 (build 12D508) is an official Apple over-the-air update for the iPad 4 (GSM), released on 2015-03-09T18:49:03Z. The update package is 598.5 MB. This is a delta (partial) update that requires 8.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e0a75b554ccd08f447583e55c788e98c6299c12e.zip.