iOS 8.1.3 (build 12B466) is an official Apple over-the-air update for the iPhone 5c (GSM), released on 2015-01-27T17:55:06Z. The update package is 762.4 MB. This is a delta (partial) update that requires 7.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c61a47570434839d6040bb6913705ef592c79053.zip.