iOS 11.0.2 (build 15A421) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2017-10-03T17:03:26Z. The update package is 273.25 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: 04b10fa511bda35e57394d85f937e448d8be04f9.zip.