iPadOS 11.4 (build 15F79) is an official Apple over-the-air update for the iPad mini 2 (WiFi), released on 2018-05-29T17:13:26Z. The update package is 586.69 MB. This is a delta (partial) update that requires 11.2.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9796891f0b0d949c69b47d3a228e52d85e838e33.zip.