iPadOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2017-11-16T21:17:09Z. The update package is 1.02 GB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f23a4b1a2bab74f4ce9d4012b26325e3f638eded.zip.