iPadOS 9.2 (build 13C75) is an official Apple over-the-air update for the iPad 2 (Mid 2012), released on 2015-12-08T18:03:41Z. The update package is 739.15 MB. This is a delta (partial) update that requires 8.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 18c901efdb7b431b76a1285852e5b28a71d3591e.zip.