iOS 9.9.11.2 (build 15C114) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2017-12-02T08:12:54Z. The update package is 1.25 GB. This is a delta (partial) update that requires 9.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 18aadfb8a61e91a3d65af81936a675c02ee10c29.zip.