iOS 9.9.12.5 (build 16H6020) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2020-12-14T18:12:44Z. 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: 2369a47b1b2b67c284197f1f9caa974110bb2d84.zip.