iPadOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2017-11-09T18:05:24Z. The update package is 1.05 GB. This is a delta (partial) update that requires 10.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 6c40449a06e29968eace4e945e2fdb4baec852f6.zip.