iPadOS 8.1 (build 12B407) is an official Apple over-the-air update for the iPad mini (Global), released on 2014-10-07T18:06:04Z. The update package is 41.51 MB. This is a delta (partial) update that requires 8.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 588aabd6daec8413e7ee14b0945409a6ce5aafed.zip.