iOS 9.0 (build 13A344) is an official Apple over-the-air update for the iPhone 6, released on 2015-09-16T18:02:17Z. The update package is 42.34 MB. 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: 0cbb81fa6587bb33850571a8a86eaeffcea0dad8.zip.