iPadOS 12.2 (build 16E5223a) is an official Apple over-the-air update for the iPad 6 (Cellular), released on 2019-03-11T17:09:31Z. The update package is 228.94 MB. This is a delta (partial) update that requires 12.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1354e860c5b2a352a9af6f753b70af596c40eb99.zip.