iPadOS 9.2 (build 13C75) is an official Apple over-the-air update for the iPad 2 (WiFi), released on 2015-12-08T18:03:39Z. The update package is 807.84 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: 162f8fbd880c22cfc5e016a0745cfe41f884c6c7.zip.