Portable NDS Wifi Range Expander Here is an easy way to expand the range of your DS. This method is very cheap and effiecently. All you need is a piece of alumium foil and tape. NOTE: The alumium will go under the ds!! Step 1: Get your DS Step 2: Get some alumium foil Step 3: Cut some alumium foil so it's twice as big as the bottom of the ds Step 4: Fold the piece so it's half its size. About 6*13 cm Step 5: Tape the alumium foil to the bottom of the ds. Tape the edges. Now, you should be able to see a difference in the range of your ds. ENJOY!!!!!