iPadOS 11.4 (build 15F5061d) is an official Apple over-the-air update for the iPad mini 3 (Cellular), released on 2018-05-01T17:05:40Z. The update package is 211.68 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: 79ac42c5e165991f012d0d83995d4a2e3517fb6c.zip.