iPadOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2017-11-16T21:16:11Z. The update package is 1.05 GB. This is a delta (partial) update that requires 10.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: fc174eb10bc1841dcbec20f98978cbb2fa375b8c.zip.