iOS 11.0.3 (build 15A432) is an official Apple over-the-air update for the iPhone 6+, released on 2017-10-11T17:07:31Z. The update package is 1.2 GB. This is a delta (partial) update that requires 10.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2fec522d1b8aa426f3028c4838efc935fcdc9bce.zip.