iPadOS 11.4.1 (build 15G5054c) is an official Apple over-the-air update for the iPad mini 3 (Cellular), released on 2018-05-30T17:04:45Z. The update package is 211.04 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: 38e78c9f9feb7f41f1b0c84409b938b69a21a3bd.zip.