Latest Leotec Argon A250B user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 4.4.2; LESPH5003B Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36	Chrome Webview 30	Android 4