iPadOS 9.2.1 (build 13D15) is an official Apple over-the-air update for the iPad 2 (WiFi), released on 2016-01-19T17:58:57Z. The update package is 767.32 MB. This is a delta (partial) update that requires 8.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 6ac4482eb0095ea2c83051d5de6de04718584d85.zip.