iPadOS 8.3 (build 12F5047f) is an official Apple over-the-air update for the iPad Air (WiFi), released on 2015-03-12T16:56:07Z. The update package is 80.92 MB. 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: cbc5b181e226617e491d3cadd86a2d967adc53b6.zip.