iOS 11.2 (build 15C114) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2017-12-02T08:12:56Z. The update package is 1.09 GB. This is a delta (partial) update that requires 10.3.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: deeae344c4d3f5cb00b587a1401fce7571b3f9fe.zip.