iPadOS 10.2.1 (build 14D27) is an official Apple over-the-air update for the iPad 4 (GSM), released on 2017-01-23T18:07:17Z. The update package is 222.83 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: 5fb42d7d9c8817f9518176a94fd174465bf3bcbe.zip.