iPadOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad mini 4 (Cellular), released on 2017-11-09T18:06:58Z. The update package is 163.59 MB. This is a delta (partial) update that requires 11.0.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b66401706023e63904f39dc396a9e70de00a6c53.zip.