iPadOS 11.4.1 (build 15G5077a) is an official Apple over-the-air update for the iPad Air (China), released on 2018-07-02T17:05:33Z. The update package is 26.51 MB. This is a delta (partial) update that requires 11.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 8dd6d265970e9922f676efd5a52dbc228eb60aeb.zip.