iOS 11.0.2 (build 15A421) is an official Apple over-the-air update for the iPhone SE, released on 2017-10-03T17:05:01Z. The update package is 264.05 MB. This is a delta (partial) update that requires 11.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 099bad8a415274b812a01ff26d5750c52bc4d949.zip.