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 263.68 MB. This is a delta (partial) update that requires 11.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7951ffcdc79c7efaa53ec0671c03d4719b4040a4.zip.