iOS 11.0.3 (build 15A432) is an official Apple over-the-air update for the iPhone 6s+, released on 2017-10-11T17:08:09Z. The update package is 263.83 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: 175f2dacf00193b3e7bc89d54b624c045000fd66.zip.