iOS 11.2 (build 15C114) is an official Apple over-the-air update for the iPhone 5s (Global), released on 2017-12-02T08:13:18Z. The update package is 499.91 MB. This is a delta (partial) update that requires 11.0.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 44512f8683f67da0de8425c6e63e91dd5a734441.zip.