iOS 9.9.11.0.1 (build 15A6402) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2017-09-26T17:02:45Z. The update package is 1.73 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: 1fdb2a2b340a75694a383b8ca0598771bb0ec1ed.zip.