iOS 9.9.12.4 (build 16G6077) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2019-07-22T17:05:11Z. 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: e8aad7f7b60f61ccb1669bb7299d6acb2e3e317a.zip.