iPadOS 9.1 (build 13B143) is an official Apple over-the-air update for the iPad mini (Global), released on 2015-10-21T17:15:50Z. The update package is 188.08 MB. This is a delta (partial) update that requires 9.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: de3c3c7a40087289713248cb44e5bb0d4365acff.zip.