iOS 10.2 (build 14C91) is an official Apple over-the-air update for the iPhone 5 (GSM), released on 2016-12-05T18:00:51Z. The update package is 24.04 MB. This is a delta (partial) update that requires 10.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 6b08958fa6b3a2e644611c73d2ccded4cb19d13b.zip.