iOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPhone 6s, released on 2018-01-08T18:18:12Z. The update package is 1.12 GB. This is a delta (partial) update that requires 10.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ff1ff2fc216a88cd66e3ad8ed4fb662eabac4722.zip.