What error do you get when trying to connect your 3DS to the internet? Is it able to connect with the router but have trouble with getting online? Does your router have wireless encryption?
it says "could not find any access points. change your location or confirm that the access point is active, and try again" i have been trying for 3 days on diferents routers but is not working.
Are the routers you are testing wireless routers? Do you have other devices hooked up over WiFi with that router that work fine? Are you next to the router when you are trying the connection test?
Do you know if the SSID is being broadcast on those routers (assuming they are wireless)?
I have the same exact problem , my 3ds cant find any access points even though im right next to my router, my ds lite works fine on my wireless connection but i dont know why my 3ds cant connect or even find any access point for that matter, my mac address is also all zeros
as i said before i have the exact same problem
the ds some how fixed itself yesterday and i was able to connect to wifi just fine
but then today im having the same problem , i dont know what causes this !!
yesterday when the problem fixed itself i noticed im having a regular mac address , now it is all zeros again
can somebody please help :S