I connected my phone using mass storage and copied all the folders from memory card to pc to transfer on another memord card. But after that, I couldn't find some applications and nokia maps wasn't working correctly. I did the exact copy but still what am i missing here?
You probably didn't copy everything. Here are some ideas:
Also note that I found this answer in a forum:
This basically means you should move the apps to the phone before copying the SD card, then moving them back onto your new SD card.