iOS 9.9.17.1.1 (build 21B6091) is an official Apple over-the-air update for the iPhone 13 Pro, released on 2023-11-07T21:28:19Z. The update package is 5.83 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: 997bcd883ec652846ef0eae7eccff4406618aa28.zip.