iOS 8.1.3 (build 12B466) is an official Apple over-the-air update for the iPhone 5 (Global), released on 2015-01-27T17:55:05Z. The update package is 195.53 MB. This is a delta (partial) update that requires 8.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b259e85e3941aa571c4887e29c0890fb9ea2a3fe.zip.