iOS 9.9.12.1.3 (build 16D6039) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2019-01-22T18:03:19Z. 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: 674cee6c5b1854296959d4f42bef4a46e15d2937.zip.