iPadOS 10.1 (build 14B71) is an official Apple over-the-air update for the iPad 4 (GSM), released on 2016-10-10T16:52:24Z. The update package is 20.19 MB. This is a delta (partial) update that requires 10.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d9b3d58bd6531aca6c574aa973cac140b383612b.zip.