iPadOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPad mini 2 (Cellular), released on 2018-07-09T17:07:04Z. The update package is 582.01 MB. This is a delta (partial) update that requires 11.2.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ffd7bc4c24dc57fa5961253737446965a233f529.zip.