iPadOS 8.1 (build 12B410) is an official Apple over-the-air update for the iPad 2 (CDMA), released on 2014-10-20T17:59:04Z. The update package is 902.38 MB. 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: 02422f496b13a454794a85df8405c2bd64b0eda5.zip.