iOS 10.3 (build 14E5230e) is an official Apple over-the-air update for the iPhone 5 (GSM), released on 2017-01-24T18:01:40Z. The update package is 439.69 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: 90f38bea0da7444a9a6562beaa459ba67189a6ab.zip.