iPadOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad mini 4 (Cellular), released on 2017-11-09T18:06:59Z. The update package is 39.28 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: aafc0a7b79fc8dc530c13ebed8744bf9536a20be.zip.