iPadOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2017-11-09T18:06:25Z. The update package is 39.1 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: 25fee0ab9e076edfac6a8c531eb809961226d6ce.zip.