Yes, with us at OnlineRadioStations.net upgrades/downgrades are easy! 
Centova Cast v3 Upgrades/Downgrades are Fully Automated! 

(1) Goto https://onlineradiostation.net/clientarea.php?action=products
(2) Click on the "View Details" button next to the service you wish to upgrade/downgrade
(3) Click on "Management Actions"
(4) Click on Upgrade/Downgrade Options"


NOTE!!! For Centova Cast  IF YOU CHANGE YOUR SERVER TYPE ALL YOUR FILES AND SETTINGS WILL BE DELETED AND YOU WILL GET A NEW IP ADDRESS AND PORT NUMBER. TO AVOID THIS LEAVE THE DROP DOWN NEXT TO LOCATION AT "NO CHANGE"