iPadOS 8.1.2 (build 12B440) is an official Apple over-the-air update for the iPad 2 (Mid 2012), released on 2014-12-09T17:49:02Z. The update package is 155.17 MB. This is a delta (partial) update that requires 8.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 34b426785cc7a17c45e57e528e448c6516c144d0.zip.