iPadOS 12.1.3 (build 16D5037a) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2019-01-07T18:06:22Z. The update package is 220.88 MB. This is a delta (partial) update that requires 12.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 82df6b2b98bdad3937ebfc7287ed9d94c923c599.zip.