iPadOS 12.1.3 (build 16D39) is an official Apple over-the-air update for the iPad mini 2 (Cellular), released on 2019-01-22T18:04:29Z. The update package is 357.3 MB. This is a delta (partial) update that requires 12.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d3364ff171b16d68c1799968b65f87ebf124bd4c.zip.