iPadOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPad mini 4 (Cellular), released on 2017-11-16T21:17:53Z. The update package is 40.21 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 5d9ca9bccea8e758c8400b9dea6bea77564837bc.zip.