iPadOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2017-11-09T18:05:25Z. The update package is 35.39 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f5ce6b954a913f1b45eefeb36ad812c01ea4066f.zip.