iOS 9.9.11.0.3 (build 15A432) is an official Apple over-the-air update for the iPhone 6s, released on 2017-10-11T17:07:43Z. The update package is 1.26 GB. This is a delta (partial) update that requires 9.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7ef511b0eee109930e497e4f1354ebfa4379affa.zip.