iOS 11.0.3 (build 15A432) is an official Apple over-the-air update for the iPhone 6s+, released on 2017-10-11T17:08:04Z. 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: 35a3a538cd2a0b72f32e97e21584ba58912971e0.zip.