iOS 8.4.1 (build 12H321) is an official Apple over-the-air update for the iPhone 5c (GSM), released on 2015-08-13T18:05:13Z. The update package is 418.04 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: 002af56cb3816048567018764b7050d21dfdc9ac.zip.