Yes, but it must be over a WEP encryption or no encryption. Despite the fact the 3DS can connect to WPA2 networks, it is part of the design of DS cartridges that they are restricted to using WEP. So one in a 3DS can't be played online over WPA2, only WEP.
update your Nintendo 3Ds
It has a settings option where you can search for a access point and connect to it. But if it is locked,you need to have a security key. Just make sure there is wifi at your home and that you can connect to.
It already has inbuilt wi-fi, you just need a wireless router for it to connect to.
Yes, the Nintendo 3DS can connect to the internet
No because those games were meant only for 3ds
Yes
You can't watch TV on your 3DS.
Fire Emblem: Awakening is the best game for Nintendo 3DS.
yes
Yes, since both the Nintendo DS and DSi has the Pictochat application, you can connect these two systems together.However, the Nintendo 3DS does not have pictochat, so the 3DS will not be able to connect
you need a wifi connection
You must configure your 3DS to connect to your wireless home network under system settings. If you do not have a wireless router in your home it will also work with the Nintendo Wireless USB Adapter.