wii issues

Dec 4, 2011 at 5:31 PM

i have followed a post from google and i had ver 4.3 on my wii console  and now i have ver4.1 .i tried to banner bomb it but it keep saying there is no ios number or file on the wii so it wont go through.any info on how to hack this wii. i also tried to put my nand back up on it but it wont read the files from the sd card .thanks for any help