iOS 9.9.11.2 (build 15C6114) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2017-12-01T18:03:19Z. The update package is 1.72 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 8fc0707381c9bbd4e93158ab6d4e1afe6d22300a.zip.