I am using m3i zero on the latest firmware against the latest update of US 3ds. I loaded it with the latest m3sakura and am getting a "Boot failed" message. Is this expected right now or am I doing something wrong (I guess the M3 site does say it only supports 1.0.0-0). Too bad I lost my dsi for the 3ds today and do not know if my card still works for dsi. If anybody else is having the same issue I will wait patiently for an update Thanks.