iOS 9.0 (build 13A4280e) is an official Apple over-the-air update for the iPhone 6, released on 2015-06-23T18:30:07Z. The update package is 391.45 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: 21d84ba5deba304b2dc63bee78da2fedc6c45e35.zip.