iPadOS 11.4 (build 15F79) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2018-05-29T17:13:45Z. The update package is 737.96 MB. This is a delta (partial) update that requires 11.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 34ae8c6442133b2222d5016353fd7e6dea54fb84.zip.