iPadOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2017-11-09T18:06:24Z. The update package is 163.75 MB. This is a delta (partial) update that requires 11.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: dc7f0599ae639d7d234c77f0b80fcaa3d1c4f289.zip.