iOS 9.9.13.1.1 (build 17A6854) is an official Apple over-the-air update for the iPhone 11, released on 2019-09-27T17:06:50Z. The update package is 3.01 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: b73940ad84c02ef14d3e91b8547bc14ee5672110.zip.