iOS 9.9.12.3.1 (build 16F203) is an official Apple over-the-air update for the iPhone 5s (Global), released on 2019-05-24T17:59:59Z. The update package is 2.15 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: 7be3b7b17d35601896133bcf863e145514ae25c9.zip.