iOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPhone 6s+, released on 2018-01-08T18:18:39Z. The update package is 61.32 MB. This is a delta (partial) update that requires 11.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 755085f960c75b52ef918de22d3a20ad6f283fce.zip.