iPadOS 12.4.7 (build 16G192) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2020-05-20T17:07:40Z. The update package is 287.85 MB. This is a delta (partial) update that requires 12.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b00de3fffed54840ba18cdc65efd4382249f8538.zip.