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 222.87 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: ae1ebcadca9c7e3493c9434de51150a2641d7838.zip.