iPadOS 11.4 (build 15F5079a) is an official Apple over-the-air update for the iPad mini 2 (WiFi), released on 2018-05-17T17:01:53Z. The update package is 38.87 MB. This is a delta (partial) update that requires 11.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c8f7c6b461d29017d25d847aadd878658b552886.zip.