iPadOS 8.1.2 (build 12B440) is an official Apple over-the-air update for the iPad mini (GSM), released on 2014-12-09T17:49:03Z. The update package is 122.16 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: 5cfe26167c6bb8274b8144b1ab6b2c29ae9c0cd6.zip.