Installing WAD files modifies the Wii's internal NAND, which carries a risk of "bricking" (making the console unusable) if an invalid or corrupted file is used. To minimize risks:
: Only download WAD files from reliable, "verified" sources to avoid corrupted data that could lead to a "banner brick". wad manager 18 verified
: It works with internal SD slots (including SDHC), USB 1.1 and 2.0 devices, and SDGecko. Installing WAD files modifies the Wii's internal NAND,