iPadOS 8.1 (build 12B410) is an official Apple over-the-air update for the iPad mini 2 (Cellular), released on 2014-10-20T17:59:07Z. The update package is 159.06 MB. This is a delta (partial) update that requires 8.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 56e09a2c939cfdd9f11e41caa397f6c6c5d3c4da.zip.