Take out the battery, or wait until the battery runs out of power.
Some how pop the battery out, and then put it back in when your DSi turn's off.
Get a new one.
0000fe00
Turn off and turn on again.
well you can look it up online if not then sorry but your dsi is destroyed
if you mail it back to the Nintendo company, they'll fix it for free once
Take it to your local electronics store.
yes
Yeah and then the person will fix it
try to blow in the DSi around the butten, for this use pressed air NOT your mouth.
Shut it off, then turn it back on.
Well basically you can't get rid of the update you have to return it for a new dsi that has not been updated
hump it and get knocked up and have a dsiby