iOS 8.4.1 (build 12H318) is an official Apple over-the-air update for the iPhone 5 (GSM), released on 2015-07-30T18:00:09Z. The update package is 39.34 MB. This is a delta (partial) update that requires 8.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c820c8fb80575f3dca59c820299c7689ab82c23b.zip.