iOS 9.0 (build 13A344) is an official Apple over-the-air update for the iPhone 5c (GSM), released on 2015-09-16T18:02:14Z. The update package is 968.04 MB. This is a delta (partial) update that requires 8.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4bc86f61d5060a3287f3074fd7ecadfb5f57c4f6.zip.