iOS 10.2 (build 14C92) is an official Apple over-the-air update for the iPhone 5 (GSM), released on 2016-12-12T17:57:52Z. The update package is 873.5 MB. This is a delta (partial) update that requires 9.3.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f667055d9fd7e340615f338d374a9a71f59807cf.zip.