iOS 11.0.3 (build 15A432) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2017-10-11T17:08:25Z. The update package is 1.06 GB. This is a delta (partial) update that requires 10.3.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 34280ac79a92add9fd4bcb677fef968dfd8a94cd.zip.