Next week I will be buying a 4GB SD card and what to know how to instal it on my GT540. I've already checked out the one that came with the phone and it has alot of LG bits and (I'm guessing) important file folders to make the phone work. Do I copy these folders and files over to the new memory card? Or will the phone do it automatically? Even just a short quide would be alot of help. Thanks in advance.