iPadOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPad mini 3 (Cellular), released on 2018-01-08T18:12:39Z. The update package is 358.64 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d64fedb800d887dc7c634d4b19e52ce94acb2e77.zip.