iPadOS 9.1 (build 13B143) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2015-10-21T17:15:57Z. The update package is 240.16 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: 2d6ac0db91a2bea505a70c447675bb4553c6f4a8.zip.