iOS 11.0 (build 15A372) is an official Apple over-the-air update for the iPhone 6+, released on 2017-09-12T19:09:59Z. The update package is 1.21 GB. This is a delta (partial) update that requires 10.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 571f8edd21d119437cfb5ee0c5437cfa756106a6.zip.