iPadOS 12.1.3 (build 16D39) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2019-01-22T18:05:12Z. The update package is 1.25 GB. This is a delta (partial) update that requires 11.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d500d6bc3b8ceb2723fdfd32a09a16f214f97c6a.zip.