iPadOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPad mini 4 (WiFi), released on 2017-11-16T21:17:30Z. The update package is 30.5 MB. This is a delta (partial) update that requires 11.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b434beb0cbdac7a59b84d1cd7c56568061af12fa.zip.