iPadOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPad mini 2 (Cellular), released on 2018-07-09T17:07:02Z. The update package is 1.24 GB. This is a delta (partial) update that requires 10.3.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 570478cf889d7663502f8100d336763b64dae633.zip.