iPadOS 8.1 (build 12B410) is an official Apple over-the-air update for the iPad 3 (CDMA), released on 2014-10-20T17:59:05Z. The update package is 1.11 GB. This is a delta (partial) update that requires 7.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 03beea5eaeaba480ff11d1c09c80b90402b3bd1e.zip.