iPadOS 9.1 (build 13B5119e) is an official Apple over-the-air update for the iPad mini 2 (Cellular), released on 2015-09-23T17:55:05Z. The update package is 1.41 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: f3c5addb8e6fc5835c0ae9f333ebb12040cfb0db.zip.