iPadOS 12.4.7 (build 16G192) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2020-05-20T17:07:13Z. The update package is 683.74 MB. This is a delta (partial) update that requires 12.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 311293f11d14d45f94b1bef19f50772b71ac5054.zip.