iPadOS 10.1 (build 14B72) is an official Apple over-the-air update for the iPad 4 (WiFi), released on 2016-10-24T16:59:18Z. The update package is 810.81 MB. This is a delta (partial) update that requires 9.3.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 118264712be34cc26dee9bb41232f696b65b3265.zip.