iPadOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2017-11-09T18:06:19Z. The update package is 1.08 GB. This is a delta (partial) update that requires 10.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7bf3ffc1a1fe37254b6538748c999574a09dff0b.zip.