iOS 9.9.12.4.6 (build 16G6183) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2020-03-24T17:05:01Z. The update package is 2.1 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: 5a84fc32f8280863a22ed20764b2a7ef4a1ca793.zip.