iOS 9.9.11.0.1 (build 15A402) is an official Apple over-the-air update for the iPhone 6, released on 2017-09-26T17:08:08Z. The update package is 1.55 GB. This is a delta (partial) update that requires 8.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: bc111cf456ce413d4c06a4330bbb76b992de9a25.zip.