iPadOS 8.3 (build 12F5069) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2015-04-08T17:56:03Z. The update package is 1.44 GB. This is a delta (partial) update that requires 8.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 64ce2ab398628507235343639fa0d628d114cd00.zip.