iOS 11.0.2 (build 15A421) is an official Apple over-the-air update for the iPhone 6, released on 2017-10-03T17:04:24Z. 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: 7c7f89784d30e3e31142130b7cfd1a4679206d5e.zip.