iOS 11.0 (build 15A5318g) is an official Apple over-the-air update for the iPhone 6s, released on 2017-07-10T17:00:11Z. The update package is 364.99 MB. This is a delta (partial) update that requires 11.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4e066a319c0317e0acf47c261d6c7de435aeef2a.zip.