iOS 9.9.12.4.1 (build 16G6102) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2019-08-26T17:12:09Z. The update package is 2.16 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: 1800cdd68c00ad00bc030f0b51b46c4e4178c27e.zip.