iPadOS 11.2 (build 15C114) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2017-12-02T08:08:35Z. The update package is 327.3 MB. This is a delta (partial) update that requires 11.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 88633162e600664b603a026a99085e39bac90377.zip.