iOS 8.2 (build 12D508) is an official Apple over-the-air update for the iPhone 5s (Global), released on 2015-03-09T18:49:05Z. The update package is 454.23 MB. This is a delta (partial) update that requires 8.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: dbd908295fa420e280783dde6d7c753e7cc92cb7.zip.