iPadOS 11.4.1 (build 15G5054c) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2018-05-30T17:04:43Z. The update package is 186.06 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: 6ae85c45ad0ae4b52c8643d85adff31c1c9fc024.zip.