iOS 9.9.17.3 (build 21D6050) is an official Apple over-the-air update for the iPhone 13, released on 2024-01-22T18:20:26Z. The update package is 5.66 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: afbf5f7f07a8fb9c0fc966ee7b09d3c37d3a6d1a.zip.