iOS 8.1.1 (build 12B435) is an official Apple over-the-air update for the iPhone 5s (Global), released on 2014-11-17T18:06:06Z. The update package is 173.12 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: b53ee1c7fe999777ee1cafe9d7c77075f3a6398c.zip.