iOS 8.2 (build 12D508) is an official Apple over-the-air update for the iPhone 6+, released on 2015-03-09T18:49:05Z. The update package is 566.5 MB. This is a delta (partial) update that requires 8.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 31b0599c4a291a716f34b42e3d432f81905d0ec0.zip.