iOS 11.0.2 (build 15A421) is an official Apple over-the-air update for the iPhone SE, released on 2017-10-03T17:04:53Z. The update package is 1.02 GB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 105ba3587a54d86a366300e1f4f32b14289d145c.zip.