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 214.91 MB. This is a delta (partial) update that requires 11.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ee063ee2f580406fd47ce08c8d8087e4fe3d469c.zip.