If you don't have the cable, then try using the bluetooth. You don't need to buy music or download music from your phone. Just download the songs and transfer it to your phone via the bluetooth.
I Have A Samsung GT-B3310 I Am Trying To Get Downloaded Music From My Pc To My Phone How Do I Get It Do, I Download The Music With Mp3 Rocket?
I have a b3310 and I don't know what to plug it in to the pc with
Well you have that sd card that came with the phone so plug that into your computer and it will say it as a mp3 player and sync