iPadOS 9.9.10.2.1 (build 14D27) is an official Apple over-the-air update for the iPad 4 (WiFi), released on 2017-01-23T18:07:14Z. The update package is 857.82 MB. This is a delta (partial) update that requires 9.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a6e8dd76f8dbdbca5cc697e7b6806b8b6dc9e1ea.zip.