iPadOS 8.4 (build 12H143) is an official Apple over-the-air update for the iPad 2 (GSM), released on 2015-06-30T15:51:05Z. The update package is 794.54 MB. This is a delta (partial) update that requires 7.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: facf7900b86b3808caa9e0eecd696755bbc98a40.zip.