iPadOS 12.4 (build 16G5027i) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2019-05-20T17:06:41Z. The update package is 202.63 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: 3b03980bfdbd5b5d301174351d56b5e0442aeccd.zip.