iOS 10.3 (build 14E5277a) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2017-03-16T16:56:48Z. The update package is 423.41 MB. This is a delta (partial) update that requires 10.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c93ff11f1aa81afe33b62b23351c2a6d5664146d.zip.