iOS 8.1.1 (build 12B436) is an official Apple over-the-air update for the iPhone 6, released on 2014-11-17T18:06:07Z. The update package is 138.46 MB. This is a delta (partial) update that requires 8.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b05343b378b47dfbd16be6cc49501ce6cc3c625e.zip.