iOS 9.9.11.2 (build 15C114) is an official Apple over-the-air update for the iPhone 6s+, released on 2017-12-02T08:14:25Z. The update package is 1.52 GB. This is a delta (partial) update that requires 9.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 277b4b8198d063f8adbfb9a6f5f0fcf7019afb74.zip.