Phones Supported: BlackBerry, Samsung , Nokia, LG, Kyocera, Sony Ericsson, Audiovox, Motorola, etc. Supported Carriers: Verizon Wireless, T-Mobile , Dobson Cellular, Centennial, Nextel, AT&T, Cincinnati Bell, Sprint, Cingular, Alltel, Virgin Mobile, Cellular One, etc. Thank you for your assistance in setting up the site and filling it with mp3 files. Please note: If any of our files are not available for download, please let us know by support@freeringtonesmp3.net