iPadOS 8.1 (build 12B407) is an official Apple over-the-air update for the iPad mini (WiFi), released on 2014-10-07T18:06:03Z. The update package is 25.88 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: d28a2a74e299476c9e498fa2a32d72b21d0536ce.zip.