Latest Allwinner A33 QUAD-CORE y3 user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 4.4.2; QUAD-CORE A33 y3 Build/01.13.29) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Safari/537.36	Chrome Webview 30	Android 4