iPadOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2017-11-16T21:16:13Z. The update package is 26.59 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: 13241c25ec4889098e5898e2b6e3f846ae9977a6.zip.