iPadOS 8.1.2 (build 12B440) is an official Apple over-the-air update for the iPad 3 (WiFi), released on 2014-12-09T17:49:03Z. The update package is 1.63 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: 14d4c152dfc5a22b8ce6f52ce395e4cc38a44dae.zip.