iOS 11.0.3 (build 15A432) is an official Apple over-the-air update for the iPhone 6+, released on 2017-10-11T17:07:32Z. The update package is 1.16 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: 333a33ff74c500d73605701e62bbe94ba1f95921.zip.