iPadOS 12.0 (build 16A5318d) is an official Apple over-the-air update for the iPad mini 4 (Cellular), released on 2018-07-03T17:05:12Z. The update package is 413.02 MB. This is a delta (partial) update that requires 12.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ae26045676fb19a602f638ea1939f748bbce2fdf.zip.