iOS 9.9.11.2 (build 15C114) is an official Apple over-the-air update for the iPhone 6s, released on 2017-12-02T08:14:07Z. The update package is 1.39 GB. This is a delta (partial) update that requires 9.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1202f4cedd2737f97b561c80099b639c739252f0.zip.