iOS 10.3 (build 14E5239e) is an official Apple over-the-air update for the iPhone 7 Plus (GSM), released on 2017-02-06T18:02:18Z. The update package is 705.1 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: f419d46298f42db69a8b8f30c561f26f06310623.zip.