iPadOS 12.4 (build 16G5069a) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2019-07-09T17:15:46Z. The update package is 97.78 MB. This is a delta (partial) update that requires 12.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ab277c0affac17d4c756bcc97d96b9a1a3d3dfa4.zip.