iPadOS 8.1.1 (build 12B435) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2014-11-17T18:06:06Z. The update package is 430.02 MB. This is a delta (partial) update that requires 8.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a90313c4d58bc14f86c16817d5a3aa593e478876.zip.