iOS 11.0.3 (build 15A432) is an official Apple over-the-air update for the iPhone 6s, released on 2017-10-11T17:08:02Z. The update package is 264.94 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: 5919dcd2f242e2a6f7228991d217fd0b0f48af5c.zip.