iPadOS 9.1 (build 13B5130b) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2015-09-30T17:58:09Z. The update package is 210.94 MB. This is a delta (partial) update that requires 9.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 51ff81ed4285fc649734886066099fe90b41bdf0.zip.