iOS 9.9.11.2.2 (build 15C202) is an official Apple over-the-air update for the iPhone 6s+, released on 2018-01-08T18:18:34Z. The update package is 1.41 GB. This is a delta (partial) update that requires 9.3.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4c1c29f49b1ca92e0a0b2d0c50241c8e4135308f.zip.