My firmware is 4.1U
I modded my wii using this: http://www.wiihacks.com/recommended-...d-any-wii.html
I want to play backup gamecube games. Is it safe to do this mod?: http://www.wiihacks.com/other-faq-gu...-your-wii.html
Yes that is safe, as long as you have successfully modded your Wii. Be sure you are running cios38 rev 17 as recommended by Stomp.