iOS 9.9.12.5.1 (build 16H22) is an official Apple over-the-air update for the iPhone 5s (Global), released on 2021-01-11T18:14:48Z. 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: 4ba3fabe6f5b92049c503a4e1e302f30dbfbe0f2.zip.