iPadOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPad mini 4 (Cellular), released on 2017-11-16T21:17:43Z. The update package is 1.02 GB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9a824bb0b4291dcd75a7ba48e6ccfecbcd6a8989.zip.