iOS 9.9.12.5 (build 16H20) is an official Apple over-the-air update for the iPhone 5s (Global), released on 2020-12-14T18:13:26Z. 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: 4f6bcf87ce7cd2615ea86a0c3fae30a60c399474.zip.