STEP 1 First you will need the firmware for your r4-pro card and open a "special" upgrade. You can get it from here. STEP 2 Now you will need to format your card with SD Formatter. But since this is a AWFUL clone it needs a "special" formatter. You can get it here. Don't forget to format FULL! STEP 3 Now drag'n'drop the firmware! STEP 4 Now you need to put your flashcart in your DSi, and then open the only .nds file. Upgrade firmware, and thats all. STEP 5 Now repeat step 2, drag'n'drop this firmware. STEP 6 CONGRATS! YOU HAZ GAT WOOD FIRMWARE!!! ENJOY!