iPadOS 12.2 (build 16E5223a) is an official Apple over-the-air update for the iPad mini 3 (Cellular), released on 2019-03-11T17:08:31Z. The update package is 649.68 MB. This is a delta (partial) update that requires 12.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7aef4e5fde1dbd6475e5b84d3f7a91ea4ab586dc.zip.