iPadOS 12.1.3 (build 16D39) is an official Apple over-the-air update for the iPad mini 3 (Cellular), released on 2019-01-22T18:05:02Z. The update package is 1.23 GB. This is a delta (partial) update that requires 11.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c9dfb3cb635d588a0a441ecc2e4bb23d8b5d6c5a.zip.