iOS 9.9.12.4.9 (build 16H5) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2020-11-05T18:18:44Z. The update package is 2.11 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: 5f5b39319e7fe08fc83858ec7d5638ba6f20018e.zip.