iPadOS 9.2.1 (build 13D15) is an official Apple over-the-air update for the iPad 3 (WiFi), released on 2016-01-19T17:59:08Z. The update package is 1.16 GB. This is a delta (partial) update that requires 9.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 766f22c599b99ea9ea2f8f9d1f2f3077162b90b6.zip.