iPadOS 9.9.10.1 (build 14B72) is an official Apple over-the-air update for the iPad 4 (WiFi), released on 2016-10-24T16:59:17Z. The update package is 855.3 MB. This is a delta (partial) update that requires 9.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 24c14e665058cbd48c4856bb249a9d2756eb862e.zip.