iOS 9.9.17.1.1 (build 21B6091) is an official Apple over-the-air update for the iPhone 11, released on 2023-11-07T21:28:18Z. The update package is 5.34 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: 5207106d2cee52fa12a8204f17370d46caa6ed13.zip.