iOS 9.9.10.2 (build 14C92) is an official Apple over-the-air update for the iPhone 6s, released on 2016-12-12T17:58:11Z. The update package is 1.12 GB. This is a delta (partial) update that requires 9.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 88e6c9959ae33715d8bbebcdd13aac30b7d6c99a.zip.