iPadOS 9.0 (build 13A4293g) is an official Apple over-the-air update for the iPad mini 2 (Cellular), released on 2015-07-08T18:38:04Z. The update package is 350.05 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: c7672da4e175fc1a5481261544b92f6669aeedf9.zip.