iOS 9.9.11.0.2 (build 15A6421) is an official Apple over-the-air update for the iPhone 6, released on 2017-10-03T16:59:14Z. The update package is 1.77 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: 7525909bd9e97d9f26d2ef1227befbc1c5f7a75b.zip.