iPadOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2018-07-09T17:07:17Z. The update package is 616.55 MB. 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: 48ca52326f304cec3b6d815caca0721972222e76.zip.