iPadOS 9.1 (build 13B5130b) is an official Apple over-the-air update for the iPad mini (GSM), released on 2015-09-30T17:58:04Z. The update package is 1.07 GB. This is a delta (partial) update that requires null already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f855e0271580751a1eae27d8d8d6bf02a35ed0fd.zip.