iOS 10.3 (build 14E5260b) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2017-02-27T17:57:16Z. The update package is 394.63 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: 21a1b3c806d9201ccc85a5d2352b3291de1214b3.zip.