iPadOS 11.4 (build 15F79) is an official Apple over-the-air update for the iPad mini 4 (WiFi), released on 2018-05-29T17:14:07Z. The update package is 1.27 GB. This is a delta (partial) update that requires 10.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c0e9f309b896e720a1c904193374ebfb433dfe3a.zip.