iOS 9.9.11.0.3 (build 15A6432) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2017-10-11T17:01:50Z. 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: a3dc4a4dfff89b0a48a4255db1d6b7fd652fca5a.zip.