Hi guys. It's been a long time since i used my m3 zero card. I remember using it and play ds games on my 3ds. But then i updated my 3ds and stop using my flash card. Today i got my girlfriends NDS Lite and tried to use my flashcard . When i put the m3zero in the DS lite it shows me a Nemo icon wich is correct. But my sd card is lost and i tried to use another one. The bad thing is that i forgot how to use the card and i could not load anything, all i got after i pushed the Nemo icon was a black screen. So i decided to upgrade my card and read some manuals. After a little research i formated my sd card, then i downloaded a folder called SYSTEM and F_CORE.dat . I put this into my sd card and then i put my sd card into my m3 zero card. Finally i pluged my m3 zero in a usb port. It supposed to be flashing but all i get is a steady red light. No flashing.... After 5 minutes i unpluged the card from the usb and tried to put it in my DS Lite to see what happens. Now my NDs does not recognise the card. i see no Nemo icon anymore. Please can someone tell me what can i do ? I really need this to work. Thaks in advance and sorry for my bad english .