iOS 9.9.11.0.1 (build 15A402) is an official Apple over-the-air update for the iPhone 6, released on 2017-09-26T17:08:09Z. The update package is 1.36 GB. This is a delta (partial) update that requires 9.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e61aa398b0bd7ca2af4dcd77e06514528cef84da.zip.