iPadOS 11.2 (build 15C114) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2017-12-02T08:09:38Z. The update package is 355.25 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: 001069c447540117749e6b672cf4476ad301b1e7.zip.