iPadOS 9.2 (build 13C75) is an official Apple over-the-air update for the iPad 4 (WiFi), released on 2015-12-08T18:03:48Z. The update package is 991.53 MB. This is a delta (partial) update that requires 8.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e136fcc36b1265090fe412a1aedddca26b72a8e9.zip.