iPadOS 10.2.1 (build 14D27) is an official Apple over-the-air update for the iPad mini 4 (Cellular), released on 2017-01-23T18:07:43Z. The update package is 1.07 GB. 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: 245b5bde53dac186def7c63cdff3c7f78516e450.zip.