iPadOS 10.2.1 (build 14D27) is an official Apple over-the-air update for the iPad 4 (Global), released on 2017-01-23T18:07:19Z. The update package is 238.65 MB. This is a delta (partial) update that requires 10.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7c53cec95e0d0b7d0e46556ee6c6ebbfd0e59597.zip.