iOS 8.4 (build 12H143) is an official Apple over-the-air update for the iPhone 5c (Global), released on 2015-06-30T15:51:21Z. The update package is 412.35 MB. This is a delta (partial) update that requires 8.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d0280eb1ac55c2c91c04f1724e939930f9c505b6.zip.