iOS 9.9.11.0 (build 15A5341f) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2017-08-07T16:57:24Z. The update package is 1.69 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: 2ddb7e64564b502aa7170aec1781e8fb4787743d.zip.