iOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPhone 6s+, released on 2018-01-08T18:18:38Z. The update package is 319.38 MB. This is a delta (partial) update that requires 11.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 76fbcd7e1c8dd5453b12acba33ac7a64af8bf96a.zip.