iOS 9.9.11.0.2 (build 15A421) is an official Apple over-the-air update for the iPhone 6s, released on 2017-10-03T17:04:36Z. 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: 0afc3e57bcd33f9ce887dca118685bcd8523e3f2.zip.