iPadOS 8.3 (build 12F69) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2015-04-08T17:56:08Z. The update package is 387.85 MB. This is a delta (partial) update that requires 8.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 434acbdbb9b0167a4852d1e5bec37b92e177e304.zip.