iOS 10.3 (build 14E5230e) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2017-01-24T18:02:07Z. The update package is 682.39 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: 32629752868013828e391a0868526a3d92c2e8b4.zip.