iPadOS 9.3 (build 13E233) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2016-03-21T18:55:58Z. The update package is 436.58 MB. This is a delta (partial) update that requires 9.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d4ef76255070d7c043f16dfaaa400d31dc5ef166.zip.