QUOTE said:
If you don't have BootMii installed as boot2, he'll probably have to send his Wii in to Nintendo.
If he can install wads, he can unbrick that. Just install the correct region system menu. Bootmii is never a bad idea, but it's not required to fix a brick unless the brick involves a missing/corrupt system menu or menu IOS.
Only other update issue might be duplicate weather/news channels.