iOS 10.3 (build 14E5273a) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2017-03-13T17:02:21Z. The update package is 419.69 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: 595728190cca91c94a58987d449a32e27c55111a.zip.