iOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2018-01-08T18:16:51Z. The update package is 318.5 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ace00e848413b71353a590009d75c358e852f69a.zip.