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 1.36 GB. This is a delta (partial) update that requires null already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d5dd369bbf39b3060416e2ab0e612d433345213b.zip.