iOS 8.3 (build 12F70) is an official Apple over-the-air update for the iPhone 5c (Global), released on 2015-04-08T17:56:14Z. The update package is 397.17 MB. This is a delta (partial) update that requires 8.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f30d0abd4d2701646152042d328dee83d1287bbd.zip.