iPadOS 12.1.3 (build 16D39) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2019-01-22T18:04:53Z. The update package is 1.19 GB. This is a delta (partial) update that requires 11.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c3d007085d37a9be33bbce99d0fa4c16c109e94e.zip.