iPadOS 8.4 (build 12H143) is an official Apple over-the-air update for the iPad 2 (CDMA), released on 2015-06-30T15:51:07Z. The update package is 1001.67 MB. This is a delta (partial) update that requires 5.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7fae1a322d4e10772d616e47c8c871e6c8b42aef.zip.