iPadOS 8.3 (build 12F69) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2015-04-08T17:56:09Z. The update package is 393.58 MB. This is a delta (partial) update that requires 8.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7ec615c5163951f5eca38f421ba4a51981c45a69.zip.