So only banner bricks. Well thats how i can imagine I COULD brick my console, cause only thing i would do is install wads of some channels or forwarders, but thats about it. I mean i mostly backup my games and put them on SD or USB...As far as I remember, banner bricks. If you install some wad with a faulty banner, Priiloader can recover by allowing you to load Homebrew Channel and uninstall the faulty channel so the Wii menu wont load the problematic channel anymore.
This link has more details: https://wiibrew.org/wiki/Brick
As far as i see, normal user cant really brick a wii unless he tries to, and if he does, even bootmii as ios can protect.
Did i got that right?
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but why would anyone have a Korean wii unless they live in korea?Also you can recover from system menu theme bricks with just priiloader
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Possibly also 003 bricks, but only if priiloader was installed after the system menu or system menu IOS but before the system menu is loaded (unless of course you region changed properly using modmii, then u shouldn't 003 brick unless u go out of your way to try and do so)