iPadOS 9.2.1 (build 13D15) is an official Apple over-the-air update for the iPad 3 (GSM), released on 2016-01-19T17:59:11Z. The update package is 976.74 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: 8fc2f4210f8cb8721cfac18307062d8762b4d2d2.zip.