Heres what hacken forums let us know:
It is a latest news from a shop in 188. The latest lots of Wii NTSC-J can't be modded. Why? It's because 3-pins are physically cut from a surface-mounted IC. There are still some Wii NTSC-J unaffected in 188 and Golden, but price will go up soon once this news spreads out and everyone is struggling to be the last one to have it. So hurry if you have not gotten one yourself yet. Of course, if you only play legitimate games, then it doesn't bother you anyway.
Luckily, Wii NTSC-U is not affected yet.
Luckily, Wii NTSC-U is not affected yet.
Heres a screen:

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