iPadOS 12.1.3 (build 16D39) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2019-01-22T18:05:11Z. The update package is 1.27 GB. This is a delta (partial) update that requires 11.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ee42ef86da78976c8ab44b3408d99f911ed85450.zip.