iOS 9.9.17.0.3 (build 21A360) is an official Apple over-the-air update for the iPhone 13, released on 2023-10-04T17:17:27Z. The update package is 5.71 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: 40f2b60d95976b4b4c3cb2ba38f5a20e3fb6fb82.zip.