iPadOS 12.2 (build 16E5201e) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2019-02-19T18:06:38Z. The update package is 638.27 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: 64f38023821b745f585b57277b3819b2f3d24873.zip.