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 138.47 MB. This is a delta (partial) update that requires 8.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f87b8faa3c18f10d7918e91f283410e491f6870d.zip.