iOS 9.9.11.2.5 (build 15D60) is an official Apple over-the-air update for the iPhone 6, released on 2018-01-23T18:30:20Z. The update package is 1.58 GB. This is a delta (partial) update that requires 8.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 83fa0d41906ccd2965258e13e728cf21f50fc18e.zip.