iOS 8.1 (build 12B407) is an official Apple over-the-air update for the iPhone 5c (GSM), released on 2014-10-07T18:06:08Z. The update package is 44.24 MB. This is a delta (partial) update that requires 8.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 91d72b297323d587620c7c16af3f621f1b43e68e.zip.