iOS 11.0 (build 15A372) is an official Apple over-the-air update for the iPhone 6, released on 2017-09-12T19:10:15Z. The update package is 1.08 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: e69f7f233157132aa1a53d47efb41e55b4d7ed40.zip.