Your Plum 6 Ram sports a microSD memory card reader. If your laptop or personal computer can also read that card format (Most laptop computers are so-equipped), you should be able to transfer music files (The Plum Ram 6 supports these formats: Yes) from your computer to a microSD memory card, and then, from the memory expansion card to your cell phone. Your user manual should explain how to assign the music you just uploaded to your phone's ringer.
Your Ram 6 is equipped with Bluetooth version 3.0, which lets you connect to your computer wirelessly. Just pair phone and computer together and drag and drop your audio files from your computer to your Plum Ram 6.
If these tips do not work for you or if you don't want to buy extra accessories, you can always use one of various free '3G Uploader' services available online. You should find plenty with a simple Katapulco.com search. 3G uploaders are simple to use: Upload your own free ringtones on their web site and they will return a temporary web address. Pointing your Plum Ram 6's web browser to that address will download the free ringtone.
Here is a sample of the free ringtones (compatible with your Plum Ram 6) we offer:
Free Horror Ringtones Free Ghost Ringtones Free Short Ringtones Free Far West Ringtones Hear All Our Free Polyphonic Ringtones