iPadOS 11.4 (build 15F5061d) is an official Apple over-the-air update for the iPad mini 2 (Cellular), released on 2018-05-01T17:05:37Z. The update package is 209.73 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: 50f2d9b852ae3d71f1d64a761d0adcd8e27c82e4.zip.