iPadOS 8.1 (build 12B410) is an official Apple over-the-air update for the iPad mini 2 (WiFi), released on 2014-10-20T17:59:07Z. The update package is 1.96 GB. This is a delta (partial) update that requires null already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4aaac7a90099968b2a8b61a8927043571608319d.zip.