Download Mobile Phone Tools (MPT) and purchase the USB data cable for that phone. Install MPT and select Multimedia Studio, from there select File Transfer and u will see MY COMPUTER on the left and MY MOBILE on the right, double click Audio on the right and you'll see the custom ringtones, highlight them and right click your mouse and select Copy to Computer. Close MPT and remove the phone, pkug in the new one and copy the ringtones to it. Hope this works for ya.