iPadOS 11.2 (build 15C114) is an official Apple over-the-air update for the iPad mini 2 (WiFi), released on 2017-12-02T08:07:38Z. The update package is 327.35 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: f82090c257611f223e8a19f7c1c6976225007d25.zip.