iPadOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPad mini 3 (Cellular), released on 2017-11-16T21:16:50Z. The update package is 1.08 GB. This is a delta (partial) update that requires 10.3.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 59a787b715adc8a0e5ce50fb099dcae58b717721.zip.