iPadOS 12.1.3 (build 16D5032a) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2018-12-19T18:06:36Z. The update package is 217.93 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: 876b23f56e1f04853420903cc8d41f6bde468fb9.zip.