iPadOS 8.3 (build 12F69) is an official Apple over-the-air update for the iPad mini 3 (Cellular), released on 2015-04-08T17:56:08Z. The update package is 393.82 MB. This is a delta (partial) update that requires 8.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 0446826b78f62a7b241c8c754e116bfa5183141a.zip.