iPadOS 11.4 (build 15F79) is an official Apple over-the-air update for the iPad mini 3 (Cellular), released on 2018-05-29T17:13:52Z. The update package is 1.27 GB. This is a delta (partial) update that requires 10.3.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 055a0b5f5240440955865232c2f1723598fe552b.zip.