iPadOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2018-07-09T17:07:13Z. The update package is 171.81 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: cc8535bbb6dfd70373cc482a89f5854ef74a61b4.zip.