iPadOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2018-07-09T17:07:29Z. The update package is 616.51 MB. This is a delta (partial) update that requires 11.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 91b7421df1a935f420276cdfbc6ea3ed03a571d7.zip.