iOS 11.0.2 (build 15A421) is an official Apple over-the-air update for the iPhone 6s, released on 2017-10-03T17:04:35Z. The update package is 1.05 GB. This is a delta (partial) update that requires 10.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 0d84ade0293852a0382888e5b79a3d3eb2609a4f.zip.