iOS 10.2 (build 14C92) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2016-12-12T17:58:03Z. The update package is 1.07 GB. This is a delta (partial) update that requires 9.3.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4ddc666fc66fd5114e0b8068ad8f9c0760a57636.zip.