iPadOS 12.2 (build 16E5191d) is an official Apple over-the-air update for the iPad 6 (Cellular), released on 2019-02-04T18:05:59Z. The update package is 661.09 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: 1c83073560ec9923773833b56b9b5793ee31cfaf.zip.