They're already all gone For this to work now, you would already have to have downloaded an exploit title.
Of course, that doesn't mean it's impossible that more dsiwarehax could show up soon, or that downgrade check race condition could be implemented.
In the meantime, enterprising young warez kiddies can install legit cias at least.
No, many games can be used instead, they just need to be big enough to fit the payload(s) inside! So don't lose faith!
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WiiU Boothax... 3DS Boothax... new 3DS hax...So what's left to see at the32c333c3?