iOS 8.4 (build 12H4098c) is an official Apple over-the-air update for the iPhone 5c (GSM), released on 2015-05-11T17:46:06Z. The update package is 118.07 MB. This is a delta (partial) update that requires 8.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7546015eed0df82c6e42e91fcfe9f862f64f4782.zip.