iOS 11.2 (build 15C114) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2017-12-02T08:13:01Z. The update package is 499.91 MB. This is a delta (partial) update that requires 11.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b677016a3bce4b4f82f98ab2d3f3ca73d490f0f6.zip.