iPadOS 8.1 (build 12B407) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2014-10-07T18:06:07Z. The update package is 52.62 MB. This is a delta (partial) update that requires 8.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e976906647aa350f4cbde85b638dd933f63d71b2.zip.