iOS 8.1.2 (build 12B440) is an official Apple over-the-air update for the iPhone 6, released on 2014-12-09T17:49:05Z. The update package is 138.04 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: bdbb34e320e789e136d80ec9464556cad39cf8e4.zip.