iPadOS 9.2.1 (build 13D15) is an official Apple over-the-air update for the iPad 2 (GSM), released on 2016-01-19T17:58:58Z. The update package is 808.83 MB. This is a delta (partial) update that requires 8.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7d0c9d1b29f3c757e5dc0ed739b5080b007a6bb8.zip.