iOS 10.3 (build 14E277) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2017-03-27T16:58:21Z. The update package is 761.19 MB. This is a delta (partial) update that requires 10.0.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e84f0e9a8fed38777e49da61476c7bbd9e4a1795.zip.