iPadOS 9.3 (build 13E237) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2016-03-28T16:52:16Z. The update package is 284.54 MB. This is a delta (partial) update that requires 9.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: efbcf2738c74101b0dfb702e6ce1b426ae7fe018.zip.