iOS 11.0 (build 15A372) is an official Apple over-the-air update for the iPhone 7 Plus (GSM), released on 2017-09-12T19:10:59Z. The update package is 1.2 GB. This is a delta (partial) update that requires 10.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 616c3c210c3afb85c2970ac5f318c2aca8fc7308.zip.