hi basically if just bought a nokia 6680, and i bought a 128mb mmc card but when i put it in the phone it says no memory card!! on the card it is 3.3v and the card i got with the phone is 3.0v will this make a diffrence and any ideas cheers

Your MMC should have been 1.8/3.3 V - also called dual voltage - while your card is a normal MMC. That's why it isn't working. Try to change it with a dual voltage one.