iOS 8.2 (build 12D5461b) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2015-01-12T17:54:06Z. The update package is 294.89 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: a2d205ac63c27bbdb0ce751d358f60b191f307ae.zip.