iOS 9.9.11.0 (build 15A372) is an official Apple over-the-air update for the iPhone 6, released on 2017-09-12T19:10:09Z. The update package is 1.55 GB. This is a delta (partial) update that requires 8.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: be407d564c7e104e263973beb47409b6360609e5.zip.