iOS 9.9.11.2 (build 15C114) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2017-12-02T08:12:48Z. The update package is 1.54 GB. This is a delta (partial) update that requires 8.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b653fcbef4fca5e14b0e33d6b8cce30d4da43957.zip.