iOS 8.2 (build 12D5480a) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2015-02-02T17:56:05Z. The update package is 263.17 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: b75d4dd057a232fcbe176eb331a231da8c22aafa.zip.