iPadOS 11.4 (build 15F79) is an official Apple over-the-air update for the iPad mini 2 (Cellular), released on 2018-05-29T17:13:29Z. The update package is 1.23 GB. This is a delta (partial) update that requires 10.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 6d0e104d6830911e57111e798ce37d0e053480a6.zip.