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 1.17 GB. This is a delta (partial) update that requires null already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 236b267f9a5ccd8857c39f9a2ddd9295a7962e2e.zip.