iOS 9.9.11.2.2 (build 15C202) is an official Apple over-the-air update for the iPhone 6s, released on 2018-01-08T18:18:06Z. The update package is 1.29 GB. This is a delta (partial) update that requires 9.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c15a657d8ec7e550d667c36793e04e905478d1bb.zip.