iOS 9.9.11.4.1 (build 15G5077a) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2018-07-02T17:05:50Z. The update package is 1.8 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: f1323c031fb65b0eafd0c5beaa3a78705e872f16.zip.