iOS 9.9.10.1 (build 14B55c) is an official Apple over-the-air update for the iPhone 6s, released on 2016-09-21T16:58:46Z. The update package is 1.67 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: 0ee1680b0b8f3a7b080dda81d8bf8b7cdc8cd38d.zip.